Light — Paper 1 · IGCSE Physics 0625

22 Which diagram correctly shows a ray of light passing through a rectangular glass block? A B C D

1 marks

Answer: A

This question in 0625/11 May/June 2005

23 The ray diagram shows how an image is formed by a converging lens. 24 cm 10 cm 8 cm What is the focal length of this lens? A 8 cm B 10 cm C 18 cm D 24 cm

1 marks

Answer: B

This question in 0625/11 May/June 2005

21 A ray of light passes from glass into air at an angle of incidence of 40o. The glass has a critical angle of 42 o. Which diagram shows what happens to the ray? A B air air glass glass 40o 40o C D air air glass glass 40o 40o

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2005

22 Rays of light enter and leave a box. ray 1 ray 1 ray 2 ray 2 What could be inside the box to make the rays behave as shown? A a converging lens B a parallel-sided glass block C a plane mirror D a triangular prism

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2005

23 A thin converging lens is used to produce, on a screen, a focused image of a candle. screen image lens candle The screen and the lens are moved back and forth and various focused images are produced on the screen. Which statement is always true? A The image is at the principal focus (focal point) of the lens. B The image is bigger than the object. C The image is closer to the lens than the object is. D The image is inverted.

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2005

22 A ray of light passes through a window. Which path does it take? A air glass air B C D

1 marks

Answer: C

This question in 0625/11 May/June 2006

23 The diagram shows the image of a clock in a plane mirror. What time is shown? A 02:25 B 02:35 C 09:25 D 09:35

1 marks

Answer: C

This question in 0625/11 May/June 2006

21 A man sees a stone at the bottom of a pool of water. Which path could be taken by light from the stone to the man? man A B C D air water stone

1 marks

Answer: B

This question in 0625/11 May/June 2007

22 A ray of light is reflected by two parallel plane mirrors X and Y. mirror X 30° mirror Y Which statement is correct? A The angle of incidence at mirror X is 30°. B The angle of incidence at mirror Y is 60°. C The angle of reflection at mirror X is 120°. D The angle of reflection at mirror Y is 0°.

1 marks

Answer: B

This question in 0625/11 May/June 2007

22 A student shines a narrow beam of white light into a prism as shown in the diagram. He sees a spectrum of colours emerging from the prism. X narrow beam Y spectrum of white light Z of colours Which three colours does he see at X, at Y and at Z? X Y Z A blue yellow red B red blue yellow C red yellow blue D yellow red blue

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2007

23 An object placed in front of a plane mirror at O produces an image at I. O I If the object moves towards the mirror in the direction shown by the arrow, in which direction does the image move? O D C B A I

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2007

22 Which diagram shows total internal reflection of light? A B C D mirror glass prism

1 marks

Answer: C

This question in 0625/11 May/June 2008

23 Light from the Sun passes through a prism and a spectrum is produced on a screen. screen narrow slit light from P red the Sun violet A thermometer placed at P shows a large temperature rise. Which type of radiation causes this? A infra-red B microwave C ultra-violet D visible light

1 marks

Answer: A

This question in 0625/11 May/June 2008

24 Two thin converging lenses X and Y are used as shown to give a focused image of an illuminated slit. The rays shown are parallel between X and Y. X Y screen slit image source of light 30 cm 20 cm 15 cm What are the correct values for the focal lengths of X and of Y? focal length focal length of X / cm of Y / cm A 50 35 B 30 20 C 30 15 D 20 20

1 marks

Answer: C

This question in 0625/11 May/June 2008

22 Which diagram shows the dispersion of white light? A B glass glass white white light light C D glass glass white white light light

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2008

23 In the diagram, the distance OP is the focal length of the lens. Through which point will the ray shown pass, after refraction by the lens? lens A O P D B focal length focal length C

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2008

21 Which diagram shows what happens when a ray of white light passes through a prism? A B spectrum white white light light spectrum C D spectrum white white light light spectrum

1 marks

Answer: D

This question in 0625/11 May/June 2009

22 The diagram shows the path of a ray of light passing through a principal focus F of a lens. Which broken line shows the direction of the ray after it leaves the lens? lens ray of light A F F’ B D C

1 marks

Answer: B

This question in 0625/11 May/June 2009

21 A ray of light in glass is incident on a boundary with air. Which path does the ray of light take when the angle of incidence i is less than the critical angle? A B air glass C i D ray of light

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2009

22 An object O is placed in front of a converging lens of focal length f. At which point will the top of the image be seen? A B O f f C D

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2009

23 An object O is placed in front of a converging lens of focal length f. At which point will the top of the image be seen? A B O f f C D

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2009

24 A ray of light in glass is incident on a boundary with air. Which path does the ray of light take when the angle of incidence i is less than the critical angle? A B air glass C i D ray of light

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2009

22 The diagram shows a ray of light incident on the edge of a piece of glass. The angle i is bigger than the critical angle. Which arrow correctly shows the direction of the ray after it leaves the edge of the glass? normal ray of D light i glass air C A B

1 marks

Answer: D

This question in 0625/11 May/June 2010

23 Which diagram correctly shows rays of light passing through a converging lens in a camera? A B camera camera object object image image lens lens C D camera camera object object image image lens lens

1 marks

Answer: C

This question in 0625/11 May/June 2010

24 Which diagram correctly shows rays of light passing through a converging lens in a camera? A B camera camera object object image image lens lens C D camera camera object object image image lens lens

1 marks

Answer: C

This question in 0625/12 May/June 2010

25 The diagram shows a ray of light incident on the edge of a piece of glass. The angle i is bigger than the critical angle. Which arrow correctly shows the direction of the ray after it leaves the edge of the glass? normal ray of D light i glass air C A B

1 marks

Answer: D

This question in 0625/12 May/June 2010

22 A girl writes the word LEFT on a piece of card. LEFT She looks at the image of this card, made by reflection by a plane mirror. What does she see? A B C D

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2010

23 A scientist is trying to direct a ray of light through a glass block without any light leaving the top of the block. However, some light does leave the top. light leaving top top of block glass block X ray of light The scientist changes angle X and stops the ray of light leaving the top. Which row in the table describes the change to angle X and the name of the effect produced? change to angle X name of effect produced A decrease total internal reflection B decrease total internal refraction C increase total internal reflection D increase total internal refraction

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2010

19 A girl writes the word LEFT on a piece of card. LEFT She looks at the image of this card, made by reflection by a plane mirror. What does she see? A B C D

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2010

21 A scientist is trying to direct a ray of light through a glass block without any light leaving the top of the block. However, some light does leave the top. light leaving top top of block glass block X ray of light The scientist changes angle X and stops the ray of light leaving the top. Which row in the table describes the change to angle X and the name of the effect produced? change to angle X name of effect produced A decrease total internal reflection B decrease total internal refraction C increase total internal reflection D increase total internal refraction

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2010

22 Water waves in a tank pass over a thin plastic block as shown. plastic block tank What happens to the waves as they reach the plastic block? A They are diffracted because they slow down. B They are diffracted because they speed up. C They are refracted because they slow down. D They are refracted because they speed up.

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2010

23 A girl writes the word LEFT on a piece of card. LEFT She looks at the image of this card, made by reflection by a plane mirror. What does she see? A B C D

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2010

25 A scientist is trying to direct a ray of light through a glass block without any light leaving the top of the block. However, some light does leave the top. light leaving top top of block glass block X ray of light The scientist changes angle X and stops the ray of light leaving the top. Which row in the table describes the change to angle X and the name of the effect produced? change to angle X name of effect produced A decrease total internal reflection B decrease total internal refraction C increase total internal reflection D increase total internal refraction

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2010

21 The diagram shows the dispersion of white light by a glass prism. white light red light glass prism violet light Why does dispersion occur when white light enters the glass? A The frequency of red light decreases more than that of violet light. B The frequency of violet light decreases more than that of red light. C The speed of red light decreases more than that of violet light. D The speed of violet light decreases more than that of red light.

1 marks

Answer: D

This question in 0625/11 May/June 2011

22 A thin converging lens is used to produce, on a screen, a focused image of a candle. screen image lens candle Various focused images are produced on the screen by moving the lens and the screen backwards and forwards. Which statement is always correct? A The image is at the principal focus (focal point) of the lens. B The image is bigger than the object. C The image is closer to the lens than the object is. D The image is inverted.

1 marks

Answer: D

This question in 0625/11 May/June 2011

19 A thin converging lens is used to produce, on a screen, a focused image of a candle. screen image lens candle Various focused images are produced on the screen by moving the lens and the screen backwards and forwards. Which statement is always correct? A The image is at the principal focus (focal point) of the lens. B The image is bigger than the object. C The image is closer to the lens than the object is. D The image is inverted.

1 marks

Answer: D

This question in 0625/12 May/June 2011

23 The diagram shows the dispersion of white light by a glass prism. white light red light glass prism violet light Why does dispersion occur when white light enters the glass? A The frequency of red light decreases more than that of violet light. B The frequency of violet light decreases more than that of red light. C The speed of red light decreases more than that of violet light. D The speed of violet light decreases more than that of red light.

1 marks

Answer: D

This question in 0625/12 May/June 2011

19 A thin converging lens is used to produce, on a screen, a focused image of a candle. screen image lens candle Various focused images are produced on the screen by moving the lens and the screen backwards and forwards. Which statement is always correct? A The image is at the principal focus (focal point) of the lens. B The image is bigger than the object. C The image is closer to the lens than the object is. D The image is inverted.

1 marks

Answer: D

This question in 0625/13 May/June 2011

23 The diagram shows the dispersion of white light by a glass prism. white light red light glass prism violet light Why does dispersion occur when white light enters the glass? A The frequency of red light decreases more than that of violet light. B The frequency of violet light decreases more than that of red light. C The speed of red light decreases more than that of violet light. D The speed of violet light decreases more than that of red light.

1 marks

Answer: D

This question in 0625/13 May/June 2011

23 A thin converging lens forms an image. object image F F What is the nature of this image and can it be formed on a screen? can be formed nature of image on a screen? A not real no B not real yes C real no D real yes

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2012

24 A piece of paper has ‘PAL’ written on it. A student holds the paper in front of a plane mirror. back of mirror PAL What does the student see? A B PAL C D PAL PAL PAL

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2012

24 A piece of paper has ‘PAL’ written on it. A student holds the paper in front of a plane mirror. back of mirror PAL What does the student see? A B PAL C D PAL PAL PAL

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2012

25 The diagram shows plane waves reflected by a plane surface. Which line represents a wavefront? C A D B

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2012

26 A thin converging lens forms an image. object image F F What is the nature of this image and can it be formed on a screen? can be formed nature of image on a screen? A not real no B not real yes C real no D real yes

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2012

23 The converging lens in a camera is used to make an image on a film. At which labelled point could a large object be placed so that it makes a smaller image? focal length of lens film A B C D 2 × focal length of lens lens

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2012

24 A ray of light in water is incident on the surface. The angle of incidence is much smaller than the critical angle. air water ray of light What happens to this ray? A It is completely reflected. B It is completely refracted. C It is partially reflected and partially refracted. D It is refracted at an angle of refraction of 90°.

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2012

22 Which diagram shows how a ray of light could pass through a glass block in air? A B glass glass C D glass glass

1 marks

Answer: A

This question in 0625/11 May/June 2013

23 Which diagram correctly represents rays of light passing through a converging lens in a camera? A B camera camera object object image image lens lens C D camera camera object object image image lens lens

1 marks

Answer: A

This question in 0625/11 May/June 2013

23 Which diagram correctly represents rays of light passing through a converging lens in a camera? A B camera camera object object image image lens lens C D camera camera object object image image lens lens

1 marks

Answer: A

This question in 0625/12 May/June 2013

22 Which diagram shows how a ray of light could pass through a glass block in air? A B glass glass C D glass glass

1 marks

Answer: A

This question in 0625/13 May/June 2013

23 Which diagram correctly represents rays of light passing through a converging lens in a camera? A B camera camera object object image image lens lens C D camera camera object object image image lens lens

1 marks

Answer: A

This question in 0625/13 May/June 2013

22 The diagram shows a ray of light passing through a semicircular glass block into air. air glass P ray of light Which row gives the correct name for angle P and states how angle P compares with the critical angle? angle P compared with name of angle P the critical angle A angle of incidence larger than the critical angle B angle of incidence smaller than the critical angle C angle of refraction larger than the critical angle D angle of refraction smaller than the critical angle

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2013

23 Which diagram shows how an image of an object is formed on a screen by a converging lens? A B 2 × focal length 2 × focal length object object screen screen C D focal length focal length object object screen screen

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2013

20 The diagram shows a ray of light passing through a semicircular glass block into air. air glass P ray of light Which row gives the correct name for angle P and states how angle P compares with the critical angle? angle P compared with name of angle P the critical angle A angle of incidence larger than the critical angle B angle of incidence smaller than the critical angle C angle of refraction larger than the critical angle D angle of refraction smaller than the critical angle

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2013

23 Which diagram shows how an image of an object is formed on a screen by a converging lens? A B 2 × focal length 2 × focal length object object screen screen C D focal length focal length object object screen screen

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2013

22 The diagram represents a converging lens forming an image of an object. converging lens object Q R S P image Which distance is the focal length of the lens? A PQ B PR C QR D QS

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2013

23 A teacher demonstrates the dispersion of white light using a triangular glass prism. Which diagram shows how this dispersion happens? A B white white light light prism spectrum spectrum C D white white light light prism spectrum spectrum

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2013

18 Scout P signals to scout Q on the other side of a valley by using a mirror to reflect the Sun’s rays. Sun’s scout P rays mirror scout Q Which mirror position would allow the Sun’s rays to be reflected to scout Q? A B C D mirror Sun’s Sun’s Sun’s Sun’s rays rays rays rays

1 marks

Answer: A

This question in 0625/11 May/June 2014

21 Which statement about a converging lens is not correct? A A ray parallel to the principal axis of the lens is refracted through the principal focus. B All rays of light refracted by the lens pass through the principal focus. C The distance between the centre of the lens and the principal focus is the focal length. D The principal focus of the lens is a point on the principal axis.

1 marks

Answer: B

This question in 0625/11 May/June 2014

22 Rays of light enter and leave a box. ray 1 ray 1 ray 2 ray 2 What could be inside the box to make the rays behave as shown? A a converging lens B a parallel-sided glass block C a plane mirror D a triangular prism

1 marks

Answer: B

This question in 0625/11 May/June 2014

19 Scout P signals to scout Q on the other side of a valley by using a mirror to reflect the Sun’s rays. Sun’s scout P rays mirror scout Q Which mirror position would allow the Sun’s rays to be reflected to scout Q? A B C D mirror Sun’s Sun’s Sun’s Sun’s rays rays rays rays

1 marks

Answer: A

This question in 0625/12 May/June 2014

22 A boy wears a shirt with a letter F on the front. He stands in front of a plane mirror. mirror What does he see in the mirror? A B C D

1 marks

Answer: A

This question in 0625/12 May/June 2014

23 Rays of light enter and leave a box. ray 1 ray 1 ray 2 ray 2 What could be inside the box to make the rays behave as shown? A a converging lens B a parallel-sided glass block C a plane mirror D a triangular prism

1 marks

Answer: B

This question in 0625/12 May/June 2014

22 Scout P signals to scout Q on the other side of a valley by using a mirror to reflect the Sun’s rays. Sun’s scout P rays mirror scout Q Which mirror position would allow the Sun’s rays to be reflected to scout Q? A B C D mirror Sun’s Sun’s Sun’s Sun’s rays rays rays rays

1 marks

Answer: A

This question in 0625/13 May/June 2014

23 Which statement about a converging lens is not correct? A A ray parallel to the principal axis of the lens is refracted through the principal focus. B All rays of light refracted by the lens pass through the principal focus. C The distance between the centre of the lens and the principal focus is the focal length. D The principal focus of the lens is a point on the principal axis.

1 marks

Answer: B

This question in 0625/13 May/June 2014

24 Rays of light enter and leave a box. ray 1 ray 1 ray 2 ray 2 What could be inside the box to make the rays behave as shown? A a converging lens B a parallel-sided glass block C a plane mirror D a triangular prism

1 marks

Answer: B

This question in 0625/13 May/June 2014

20 Light waves pass from air into glass and are refracted. What always remains constant when this happens? A direction B frequency C speed D wavelength

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2014

23 An object is placed in front of a converging lens. The lens has a focal length f. The lens produces a real, enlarged image of the object. In which labelled position is the object placed? lens A B C D f 2f

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2014

28 Light waves pass from air into glass and are refracted. What always remains constant when this happens? A direction B frequency C speed D wavelength

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2014

35 An object is placed in front of a converging lens. The lens has a focal length f. The lens produces a real, enlarged image of the object. In which labelled position is the object placed? lens A B C D f 2f

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2014

23 An object is placed in front of a converging lens. The lens has a focal length f. In which labelled position should the object be placed in order to produce a real image of the object that is smaller than the object? lens A B C D f 2f

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2014

20 Which labelled distance is the focal length of the lens? A B C D

1 marks

Answer: B

This question in 0625/12 Feb/March 2015

21 A ray of light is reflected by two parallel plane mirrors X and Y. mirror X 30° 30° eye mirror Y Which statement is correct? A The angle of incidence at mirror X is 30°. B The angle of incidence at mirror Y is 60°. C The angle of reflection at mirror X is 120°. D The angle of reflection at mirror Y is 0°.

1 marks

Answer: B

This question in 0625/12 Feb/March 2015

21 Radiation from the Sun is dispersed by a prism. The prism does not absorb any of the radiation. Four identical thermometers are placed, one at each of the labelled positions. In which position does the thermometer show the greatest rise in temperature? prism radiation from the Sun A B red light C violet light D

1 marks

Answer: A

This question in 0625/11 May/June 2015

22 A scientist tries to direct a ray of light in a glass block so that no light escapes from the top of the block. However, some light does escape. light escaping from top of block top of block glass block X ray of light The scientist changes angle X and stops the light escaping from the top. Which row in the table describes the change to angle X and the name of the effect produced? change to angle X name of effect produced A decrease total internal reflection B decrease total internal refraction C increase total internal reflection D increase total internal refraction

1 marks

Answer: C

This question in 0625/11 May/June 2015

20 An object is placed in front of a thin converging lens. The diagram shows the paths of two rays from the top of the object. converging lens object An image of the object is formed on a screen to the right of the lens. How does this image compare with the object? A It is larger and inverted. B It is larger and the same way up. C It is smaller and inverted. D It is smaller and the same way up.

1 marks

Answer: A

This question in 0625/12 May/June 2015

21 Radiation from the Sun is dispersed by a prism. The prism does not absorb any of the radiation. Four identical thermometers are placed, one at each of the labelled positions. In which position does the thermometer show the greatest rise in temperature? prism radiation from the Sun A B red light C violet light D

1 marks

Answer: A

This question in 0625/12 May/June 2015

22 A scientist tries to direct a ray of light in a glass block so that no light escapes from the top of the block. However, some light does escape. light escaping from top of block top of block glass block X ray of light The scientist changes angle X and stops the light escaping from the top. Which row in the table describes the change to angle X and the name of the effect produced? change to angle X name of effect produced A decrease total internal reflection B decrease total internal refraction C increase total internal reflection D increase total internal refraction

1 marks

Answer: C

This question in 0625/12 May/June 2015

20 Which diagram shows how the light from a candle is reflected by a mirror, and shows the position of the image formed? A B image of image of candle candle candle candle eye eye mirror mirror C D candle candle image of candle eye image of eye candle mirror mirror

1 marks

Answer: A

This question in 0625/13 May/June 2015

22 A scientist tries to direct a ray of light in a glass block so that no light escapes from the top of the block. However, some light does escape. light escaping from top of block top of block glass block X ray of light The scientist changes angle X and stops the light escaping from the top. Which row in the table describes the change to angle X and the name of the effect produced? change to angle X name of effect produced A decrease total internal reflection B decrease total internal refraction C increase total internal reflection D increase total internal refraction

1 marks

Answer: C

This question in 0625/13 May/June 2015

21 Which diagram shows how the light from a candle is reflected by a mirror, and shows the position of the image formed? A B image of image of candle candle candle candle eye eye mirror mirror C D candle candle image of candle eye image of eye candle mirror mirror

1 marks

Answer: A

This question in 0625/14 May/June 2015

22 The diagram shows a ray of white light incident on a triangular glass prism. glass prism ray of white light The ray enters the prism. Which row correctly states if the light is refracted, and if the light is dispersed? refracted dispersed A no no B no yes C yes no D yes yes

1 marks

Answer: D

This question in 0625/14 May/June 2015

23 A parallel beam of light falls on a converging lens. Which diagram shows what happens to the beam of light? A B C D

1 marks

Answer: D

This question in 0625/14 May/June 2015

21 A student draws a diagram representing three rays of light from point P passing through a converging lens. Each point labelled F is a principal focus of the lens. lens P ray X F F ray Y ray Z Which of the rays has the student drawn correctly? A ray X and ray Y B ray X and ray Z C ray Y only D ray Z only

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2015

22 The diagram shows a ray of light inside a glass rod. The critical angle for the light in the glass is 42°. surface of normal ray of light glass rod air 40° glass rod Which row shows what happens to the light when it reaches the surface of the glass rod? any light any light reflected? refracted? A no no B no yes C yes no D yes yes

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2015

23 Which row states whether light waves and whether sound waves can travel in a vacuum? sound waves light waves A no no B no yes C yes no D yes yes

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2015

20 A plane mirror is fitted to a wall. Which statement about the image formed by the mirror is correct? A The image is real. B The image is left to right (laterally inverted). C The image is smaller than the object. D The image is upside down.

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2015

21 A student draws a diagram representing three rays of light from point P passing through a converging lens. Each point labelled F is a principal focus of the lens. lens P ray X F F ray Y ray Z Which of the rays has the student drawn correctly? A ray X and ray Y B ray X and ray Z C ray Y only D ray Z only

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2015

21 A student draws a diagram representing three rays of light from point P passing through a converging lens. Each point labelled F is a principal focus of the lens. lens P ray X F F ray Y ray Z Which of the rays has the student drawn correctly? A ray X and ray Y B ray X and ray Z C ray Y only D ray Z only

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2015

22 The diagram shows a ray of light travelling in a substance P. The ray reaches a boundary with a substance Q. Total internal reflection occurs at the boundary. substance P substance Q normal angle X boundary ray of light Which row contains correct statements about angle X and about the optical density of substance Q? angle X substance Q A smaller than the critical angle less dense than substance P B smaller than the critical angle more dense than substance P C greater than the critical angle less dense than substance P D greater than the critical angle more dense than substance P

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2015

23 Which diagram correctly shows a ray of light reflected by a plane mirror? A B ray of 40° 50° ray of 50° light light 50° C D ray of 40° ray of 40° light light 40° 50°

1 marks

Answer: D

This question in 0625/12 Feb/March 2016

24 A ray of white light is incident on a glass prism. ray of white light prism Which ray diagram shows the ray as it passes through the prism and emerges from the opposite side? A B red violet spectrum spectrum violet red C D red violet spectrum spectrum violet red

1 marks

Answer: C

This question in 0625/12 Feb/March 2016

23 The ray diagram shows the image of an object formed by a converging lens. converging lens object image 50 cm 40 cm 72 cm What is the focal length of the lens? A 40 cm B 50 cm C 72 cm D 90 cm

1 marks

Answer: A

This question in 0625/11 May/June 2016

24 The diagram shows the dispersion of white light by a prism. prism white X Y light spectrum Z of colours Which row could be correct for the colours seen at X, at Y and at Z? colour at X colour at Y colour at Z A red violet yellow B red yellow violet C violet yellow red D yellow red violet

1 marks

Answer: B

This question in 0625/11 May/June 2016

23 The diagram shows a ray of light in air incident on a glass block. Some of the light is refracted, and some of the light is reflected. Two angles p and q are marked on the diagram. ray of light q air p glass Which row gives the angle of incidence and shows whether the ray undergoes total internal reflection? angle of total internal incidence reflection A p no B p yes C q no D q yes

1 marks

Answer: C

This question in 0625/12 May/June 2016

23 The diagram shows an object in front of a plane mirror. At which labelled position is the image of the object formed? B C A D plane mirror eye object

1 marks

Answer: B

This question in 0625/13 May/June 2016

24 White light enters a glass prism. The light leaving the other side of the prism is separated into colours. glass glass prism prism white white light colour 1 light colour 1 colour 2 colour 2 diagram 1 diagram 2 Which row correctly describes what happens? path taken by colour 1 colour 2 the light A diagram 1 red violet B diagram 1 violet red C diagram 2 red violet D diagram 2 violet red

1 marks

Answer: C

This question in 0625/13 May/June 2016

22 A child wears a T-shirt with the letter ‘F’ written on it. The child stands in front of a vertical plane mirror. What does the child see? A B C D

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2016

23 When white light passes through a glass prism, it disperses as shown in the diagram. face 1 face 2 white light red violet glass prism Which row compares the refraction of violet light with the refraction of red light at the faces 1 and 2 of the prism? face 1 face 2 A violet refracts less violet refracts less B violet refracts less violet refracts more C violet refracts more violet refracts less D violet refracts more violet refracts more

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2016

22 A card with the letter R is made by a student. The letter is drawn on one side, as shown. A plane mirror is mounted vertically on a bench. The student places the card on the bench so that the letter is upright and facing the mirror. plane mirror bench How does the image formed by the mirror appear to the student? A B C D

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2016

23 A student draws four diagrams to represent light passing from air through a glass block and then back into the air. The critical angle for the glass is 42°. In which diagram is the path of the light through the glass block not correct? A B 45° 45° glass glass C D 45° 60° 60° glass glass

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2016

22 Light strikes a plane mirror and is reflected. The angle between the ray of light and the mirror is 20°. normal ray of light 20° mirror What is the size of the angle of reflection? A 20° B 70° C 140° D 160°

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2016

23 A student draws a ray diagram to show how a converging lens, of focal length f, forms an image of an object. He draws three rays to locate the image. He then adds a fourth ray after the position of the image is known. Which of the labelled rays must have been drawn after the position of the image was known? A object B C image D f f

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2016

21 A ray of light is incident on the surface of a glass block. normal direction of ray of light air glass Which row describes how the speed and the direction of the ray of light change when it enters the glass? speed in glass direction in glass A decreases closer to the normal B decreases further from the normal C increases closer to the normal D increases further from the normal

1 marks

Answer: A

This question in 0625/12 Feb/March 2017

22 A boy sees a fish in a lake. Which labelled path is taken by the light travelling from the fish to the boy’s eye? air water B A C D

1 marks

Answer: C

This question in 0625/12 Feb/March 2017

23 The points labelled F are the principal foci of a lens. A beam of parallel light is incident on the lens. Which diagram shows the path of the light after it passes through the lens? A F F B F F C F F D F F

1 marks

Answer: B

This question in 0625/12 Feb/March 2017

20 What causes the change in direction when light travels from air into glass? A The amplitude of the light changes. B The colour of the light changes. C The frequency of the light changes. D The speed of the light changes.

1 marks

Answer: D

This question in 0625/11 May/June 2017

21 The diagram shows rays of light passing through a converging lens. Which labelled arrow represents the focal length of the lens? C A B D

1 marks

Answer: D

This question in 0625/11 May/June 2017

22 Which diagram shows what happens when a ray of white light passes through a prism? A B spectrum white white light light spectrum C D spectrum white white light light spectrum

1 marks

Answer: D

This question in 0625/11 May/June 2017

20 What causes the change in direction when light travels from air into glass? A The amplitude of the light changes. B The colour of the light changes. C The frequency of the light changes. D The speed of the light changes.

1 marks

Answer: D

This question in 0625/12 May/June 2017

21 Light passes into a glass block. Which is the angle of refraction? A B D C

1 marks

Answer: A

This question in 0625/12 May/June 2017

22 Which diagram shows what happens when a ray of white light passes through a prism? A B spectrum white white light light spectrum C D spectrum white white light light spectrum

1 marks

Answer: D

This question in 0625/12 May/June 2017

20 What causes the change in direction when light travels from air into glass? A The amplitude of the light changes. B The colour of the light changes. C The frequency of the light changes. D The speed of the light changes.

1 marks

Answer: D

This question in 0625/13 May/June 2017

21 Which diagram shows how a converging lens forms a real image of an object O? A B O O C D O O

1 marks

Answer: A

This question in 0625/13 May/June 2017

22 Which diagram shows what happens when a ray of white light passes through a prism? A B spectrum white white light light spectrum C D spectrum white white light light spectrum

1 marks

Answer: D

This question in 0625/13 May/June 2017

22 The diagram shows an object in front of a plane mirror. A ray of light from the object is incident on the mirror. object R Q S P plane mirror Through which point does the reflected ray pass, and at which point is the image of the object formed? point through which point at which reflected ray passes image is formed A P R B P S C Q R D Q S

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2017

23 Which ray diagram shows a converging lens forming a real image of a small object O? A B O O C D O O

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2017

23 The diagram shows an object O in front of a thin converging lens of focal length f. At which point will the lens form a sharp image of the object? A O B f f C D

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2017

24 The diagram shows light travelling from glass to air. air 20° glass 50° What is the angle of refraction for this ray of light? A 20° B 40° C 50° D 70°

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2017

21 The diagram shows a ray of light in glass. The ray reaches a boundary with air. One weak ray of light is missing from the diagram. air glass 50° Which statement is correct? A At the boundary, the speed of the light will become less. B The critical angle for light at this boundary is 50°. C The diagram shows an example of diffraction of light. D The missing ray is a weak reflected ray.

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2017

22 Light enters a transparent block. The light is refracted into the block and then strikes the top edge of the block at the critical angle. Which diagram correctly shows the angle of refraction r and the critical angle c? A B c r c r C D c c r r

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2017

23 In which situation is the wavelength of the wave changed? A light from the Sun passing from air into water B radio waves travelling from an Earth satellite to the Moon C sound reflecting from a wall D water waves passing through a narrow gap

1 marks

Answer: A

This question in 0625/11 May/June 2018

24 Scout P signals to scout Q on the other side of a valley by using a mirror to reflect the Sun’s light. Sun’s scout P light mirror scout Q Which mirror position allows the Sun’s light to be reflected to scout Q? A B C D mirror Sun’s Sun’s Sun’s Sun’s light light light light

1 marks

Answer: A

This question in 0625/11 May/June 2018

21 Light passes from glass into air. Which diagram shows a ray of light incident at the critical angle on the air-glass boundary? A B C D glass glass glass glass air air air air

1 marks

Answer: C

This question in 0625/12 May/June 2018

22 Scout P signals to scout Q on the other side of a valley by using a mirror to reflect the Sun’s light. Sun’s scout P light mirror scout Q Which mirror position allows the Sun’s light to be reflected to scout Q? A B C D mirror Sun’s Sun’s Sun’s Sun’s light light light light

1 marks

Answer: A

This question in 0625/12 May/June 2018

23 The table describes white light that passes through a prism and forms a spectrum. Which row is correct? colour refracted colour next the most to the red A red orange B red yellow C violet orange D violet yellow

1 marks

Answer: C

This question in 0625/12 May/June 2018

20 The diagram shows a ray of light passing from glass to air, at the critical angle. Z air glass W Y X Which angles are the angle of incidence and the angle of refraction? angle of angle of incidence refraction A W Y B W Z C X Y D X Z

1 marks

Answer: D

This question in 0625/13 May/June 2018

21 Scout P signals to scout Q on the other side of a valley by using a mirror to reflect the Sun’s light. Sun’s scout P light mirror scout Q Which mirror position allows the Sun’s light to be reflected to scout Q? A B C D mirror Sun’s Sun’s Sun’s Sun’s light light light light

1 marks

Answer: A

This question in 0625/13 May/June 2018

22 A parallel beam of light is incident on a plane mirror. Which diagram shows how the beam is reflected by the mirror? A B C D spectrum

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2018

23 The diagram shows a parallel, cylindrical light beam of diameter d incident on a thin converging lens. A screen is placed a distance equal to two focal lengths 2f from the lens. 2f d beam of light lens screen Which diagram shows the size of the spot of light seen on the screen? A B C D d d 2d 2

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2018

22 The diagram shows two plane mirrors at 90° to each other. A ray of light is incident on one of the mirrors. The ray reflects off both mirrors before reaching a screen. At which labelled point does the ray reach the screen? screen A B C D ray of light

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2018

23 Which diagram shows the formation of a real image of an object O placed in front of a converging lens? A B O O C D O O

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2018

18 Some of the Sun’s radiation passes through a prism. The diagram shows the spectrum of the radiation. Which point on the screen does the infra-red radiation reach? prism radiation from the Sun not visible red A visible B C not visible violet screen D

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2018

22 A plane mirror is fixed so that it is at an angle of 45° to a table. A ray of light, initially parallel to the table, is incident on the mirror. plane mirror ray of light 45° table Which angle does the reflected ray make with the table? A 0° B 22.5° C 45° D 90°

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2018

23 An object is placed 20 cm in front of a thin converging lens. The scale drawing shows how the lens forms a real, inverted image. object image scale 5.0 cm Which row gives the focal length of the lens and the distance of the image from the lens? focal length distance of image of lens / cm from lens / cm A 4.0 5.0 B 5.0 4.0 C 8.0 10.0 D 10.0 8.0

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2018

22 A ray of light is reflected by a plane mirror. Q R P S Which row shows the angle of incidence and the angle of reflection? angle of angle of incidence reflection A P Q B P S C Q R D R S

1 marks

Answer: C

This question in 0625/12 Feb/March 2019

23 Which diagram correctly represents rays of light passing through a converging lens in a camera? A B camera camera object object image image lens lens C D camera camera object object image image lens lens

1 marks

Answer: A

This question in 0625/12 Feb/March 2019

23 An object is placed 30 cm in front of a plane mirror. Which statement describes the image of the object? A The image is the same size and 30 cm from the object. B The image is the same size and 60 cm from the object. C The image is smaller and 30 cm from the object. D The image is smaller and 60 cm from the object.

1 marks

Answer: B

This question in 0625/11 May/June 2019

24 The diagram shows light incident at a glass-air boundary. The angle of incidence i of the ray is greater than the critical angle. Which line shows the path of the light after it meets the boundary? C D air glass i B incident ray of light A

1 marks

Answer: B

This question in 0625/11 May/June 2019

25 The diagram shows radiation from a lamp passing through a prism. screen prism P red light radiation from lamp Which type of radiation is found at P? A γ-rays B infrared C ultraviolet D X-rays

1 marks

Answer: B

This question in 0625/11 May/June 2019

23 Which conditions are necessary for light to be totally internally reflected? the incident light is in angle of incidence A the less dense medium less than the critical angle B the less dense medium greater than the critical angle C the more dense medium less than the critical angle D the more dense medium greater than the critical angle

1 marks

Answer: D

This question in 0625/12 May/June 2019

24 Which diagram shows the dispersion of white light by a glass prism? A B red red red white white violet violet violet C D red red red red white violet violet white violet violet

1 marks

Answer: B

This question in 0625/12 May/June 2019

25 The diagram shows radiation from a lamp passing through a prism. screen prism P red light radiation from lamp Which type of radiation is found at P? A γ-rays B infrared C ultraviolet D X-rays

1 marks

Answer: B

This question in 0625/12 May/June 2019

27 An observer stands at the finish line of a 100 m race. He wants to time the winner’s run. He starts his stop-watch as soon as he sees the smoke from the starting gun instead of when he hears the bang. What is the reason for doing this? A Light travels much faster than sound. B There is a risk he might respond to an echo from a wall. C Humans react slower to sound than to light. D Humans react more quickly to sound than to light.

1 marks

Answer: A

This question in 0625/12 May/June 2019

21 A student draws a diagram to show two different properties of a water wave. The arrows show the wave directions. shallow deep water water Which two wave properties does the diagram show? A refraction and diffraction B reflection and dispersion C reflection and diffraction D reflection and refraction

1 marks

Answer: D

This question in 0625/13 May/June 2019

23 A student draws a ray diagram to show how a ray of light is reflected by a number of mirrors. Which reflection has not been drawn correctly? A C B D

1 marks

Answer: C

This question in 0625/13 May/June 2019

24 Light passes through a glass block. What is the path of the light? air glass A B C D

1 marks

Answer: C

This question in 0625/13 May/June 2019

25 The diagram shows radiation from a lamp passing through a prism. screen prism P red light radiation from lamp Which type of radiation is found at P? A γ-rays B infrared C ultraviolet D X-rays

1 marks

Answer: B

This question in 0625/13 May/June 2019

23 The diagram shows the image of a clock in a plane mirror. Which is the actual time? A 04:15 B 04:45 C 07:15 D 07:45

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2019

24 Total internal reflection may occur when light reaches an air-glass boundary. Under which conditions is light totally internally reflected? medium in which light travels towards the angle of incidence boundary A air greater than the critical angle B air less than the critical angle C glass greater than the critical angle D glass less than the critical angle

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2019

23 A ray of light is incident on a plane mirror. A student measures the angle of incidence i and the angle of reflection r. incident i r reflected ray ray The student varies the angle of incidence and then plots a graph of r against i. What does the graph look like? A B C D r r r r 0 0 0 0 0 i 0 i 0 i 0 i

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2019

24 The diagram shows the path of a ray of green light through a glass prism. The angle of deviation is the angle between the incident ray and the ray leaving the prism. prism angle of incident ray deviation of green light When a ray of white light is incident on the prism, it separates into the colours of the visible spectrum. What is the name of this effect and which colour of light has the smallest angle of deviation? colour with smallest name of effect angle of deviation A diffraction red B diffraction violet C dispersion red D dispersion violet

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2019

23 A person stands 1.0 m in front of a plane mirror. The mirror is moved away from the person at a speed of 1.0 m / s. Which statement is correct? A The image moves away from the person at a speed of 1.0 m / s. B The image moves away from the person at a speed of 2.0 m / s. C The image moves towards the person at a speed of 1.0 m / s. D The image moves towards the person at a speed of 2.0 m / s.

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2019

24 Which diagram shows total internal reflection of light by a glass prism? A B C D

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2019

23 The diagram shows a beam of light travelling through glass and meeting a glass-air interface. reflected light 60° glass air Which row correctly describes what is happening at the glass-air interface? angle of incidence observation at the interface A 30° some internal reflection B 30° total internal reflection C 60° some internal reflection D 60° total internal reflection

1 marks

Answer: A

This question in 0625/11 May/June 2020

24 A narrow beam of white light passes through a prism and is dispersed into a spectrum. 1 white 2 light 3 Which row is correct? colour 1 colour 2 colour 3 A blue yellow red B red blue yellow C red yellow blue D yellow blue red

1 marks

Answer: C

This question in 0625/11 May/June 2020

23 The diagram shows a ray of light incident on the surface of a glass block. 1 2 3 glass block 4 The ray of light is partially reflected back into the air and partially refracted into the glass block. Which row correctly identifies the angle of reflection and the angle of refraction? angle of angle of reflection refraction A 1 3 B 1 4 C 2 3 D 2 4

1 marks

Answer: B

This question in 0625/12 May/June 2020

24 A beam of light consists of yellow and blue light. The beam of light is incident on a glass prism. Which diagram is correct? A B yellow blue blue yellow glass prism glass prism C D glass prism glass prism blue yellow yellow blue

1 marks

Answer: D

This question in 0625/12 May/June 2020

23 The diagram shows a ray of light incident on a plane mirror. mirror 35° The angle between the ray and the mirror is 35°. The ray is reflected by the mirror. What is the angle of reflection? A 35° B 55° C 70° D 110°

1 marks

Answer: B

This question in 0625/13 May/June 2020

24 A beam of white light is split into a spectrum of seven colours. Which name is given to this process? A diffraction B dispersion C reflection D refraction

1 marks

Answer: B

This question in 0625/13 May/June 2020

22 A man sees a stone at the bottom of a pool of water. Which path could be taken by light from the stone to the man? man A B C D air water stone

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2020

23 Which statement about a thin converging lens is correct? A All rays of light refracted by the lens pass through the principal focus. B All rays initially parallel to the principal axis of the lens are refracted through the principal focus. C The focal length of the lens is the distance between the image and the principal focus. D The focal length of the lens is the distance between the object and the image.

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2020

24 The diagram shows a beam of white light passing through a triangular prism. A spectrum is produced. prism X white light Y Which row correctly shows a wave property involved in producing the colours at X and Y? wave property X Y A diffraction red violet B dispersion red violet C reflection violet red D refraction violet red

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2020

22 Which diagram shows the image correctly formed by reflection? A B object image object image mirror mirror C D object image object image mirror mirror

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2020

23 A man sees a stone at the bottom of a pool of water. Which path could be taken by light from the stone to the man? man A B C D air water stone

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2020

24 White light can be split into different colours by passing it through a prism. What is the name of this process? A diffraction B dispersion C reflection D total internal reflection

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2020

22 A boy is having his eyes tested. A letter is printed on a card placed over his head. He sees the card in a plane mirror placed on the far wall of the room. He sees the letter ‘R’ in the mirror. How is it printed on the card? A B C D

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2020

23 A man sees a stone at the bottom of a pool of water. Which path could be taken by light from the stone to the man? man A B C D air water stone

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2020

24 The diagram shows the image made by a converging lens. light rays converging lens principal axis object 2F F F 2F image Which statement describes the image formed? A diminished and inverted B diminished and upright C enlarged and inverted D enlarged and upright

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2020

22 What causes the change in direction when light travels from air into glass? A The amplitude of the light changes. B The colour of the light changes. C The frequency of the light changes. D The speed of the light changes.

1 marks

Answer: D

This question in 0625/12 Feb/March 2021

23 Light from a torch is incident on a plane mirror. The angle of incidence is 38. What is the angle of reflection? A 38 B 52 C 76 D 142

1 marks

Answer: A

This question in 0625/12 Feb/March 2021

24 A thin converging lens is used to produce a sharp image of a candle. screen image lens candle Various sharp images are produced on the screen by moving the lens and the screen backwards and forwards. Which statement is always correct? A The image is at the principal focus (focal point) of the lens. B The image is bigger than the object. C The image is closer to the lens than the object. D The image is inverted.

1 marks

Answer: D

This question in 0625/12 Feb/March 2021

22 Which statement about the image of an object formed in a plane mirror is correct? A It is smaller than the object. B It is the same size as the object. C It is larger than the object. D It is inverted.

1 marks

Answer: B

This question in 0625/12 May/June 2021

23 An object is placed in front of a thin converging lens. The diagram shows the paths of two rays from the top of the object. converging lens object An image of the object is formed on a screen to the right of the lens. How does this image compare with the object? A It is larger and inverted. B It is larger and the same way up. C It is smaller and inverted. D It is smaller and the same way up.

1 marks

Answer: A

This question in 0625/12 May/June 2021

19 A ray of green light passes through a glass prism as shown. green light Which colours of light refract as shown in the table? refract more refract less than green than green A red blue B red yellow C violet blue D violet yellow

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2021

20 The diagram shows a ray of light in air incident on a glass block. Some of the light is refracted and some of the light is reflected. Two angles, p and q, are marked on the diagram. ray of light q air p glass Which row gives the angle of incidence and states whether total internal reflection occurs? angle of total internal incidence reflection A p no B p yes C q no D q yes

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2021

21 The diagram shows a ray of light in glass incident on the surface between the glass and air. air glass What happens if the angle of incidence is made larger than the critical angle for the glass? A The angle of refraction becomes equal to 90. B There is a refracted ray and a ray reflected inside the glass. C There is a refracted ray only. D There is only a ray reflected inside the glass.

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2021

19 A thin, converging lens causes parallel rays of light to converge to a single point known as the principal focus. principal focus Which statement explains this? A The light diffracts. B The light disperses. C The light reflects. D The light refracts.

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2021

20 The diagram shows a ray of light in air incident on a glass block. Some of the light is refracted and some of the light is reflected. Two angles, p and q, are marked on the diagram. ray of light q air p glass Which row gives the angle of incidence and states whether total internal reflection occurs? angle of total internal incidence reflection A p no B p yes C q no D q yes

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2021

21 The letter F is reflected in a mirror. mirror What does the optical image look like? A B C D

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2021

23 Which radiation has a higher frequency than red light? A ultraviolet B radio waves C microwaves D infrared

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2021

19 A narrow beam of light travels through glass. It reaches the edge of the glass and refracts into the air. What is the angle of refraction? B glass A air C D

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2021

20 The diagram shows a ray of light in air incident on a glass block. Some of the light is refracted and some of the light is reflected. Two angles, p and q, are marked on the diagram. ray of light q air p glass Which row gives the angle of incidence and states whether total internal reflection occurs? angle of total internal incidence reflection A p no B p yes C q no D q yes

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2021

21 A photographer sees his image as shown. X photographer image What could X be? A B C D mirror translucent transparent transparent glass block glass prism semicircular glass block

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2021

22 A tank contains water. Ripples are produced on the surface of the water. Refraction is observed. What causes the ripples to refract? A The cold water in the tank is replaced by warm water. B The ripples change speed as they move from deep to shallow water. C The ripples hit the wall of the tank. D The ripples pass through a narrow gap.

1 marks

Answer: B

This question in 0625/12 Feb/March 2022

23 The diagram shows a plane mirror and a ray of light reflected from it. Which angle is the angle of incidence? A D B C

1 marks

Answer: B

This question in 0625/12 Feb/March 2022

24 The diagrams each show a ray of light from an object O passing through a thin converging lens. The principal focuses in each diagram are labelled F. 1 2 O O F F F F 3 O F F Which diagrams are correct? A 1 and 2 B 2 only C 1 and 3 D 3 only

1 marks

Answer: C

This question in 0625/12 Feb/March 2022

22 A card is placed in front of a plane mirror so that its label is facing the mirror, as shown. plane mirror label card observer The label is shown. How does the image of the label formed by the mirror appear to the observer? A B C D

1 marks

Answer: C

This question in 0625/11 May/June 2022

23 An object is placed in front of a converging lens. The lens has a focal length f. In which labelled position should the object be placed in order to produce a real image that is smaller than the object? lens A B C D f 2f

1 marks

Answer: A

This question in 0625/11 May/June 2022

22 A student uses one eye to look at images in a plane mirror. plane mirror P Q R E S T U X Y Objects are placed on the line XY. Which objects give rise to images that can be seen by the eye at E? A P, Q, R, S, T and U B Q, R, S and T only C P and U only D R and S only

1 marks

Answer: B

This question in 0625/12 May/June 2022

23 An object is placed in front of a converging lens. The lens has a focal length f. In which labelled position should the object be placed in order to produce a real image that is smaller than the object? lens A B C D f 2f

1 marks

Answer: A

This question in 0625/12 May/June 2022

22 A ray of light passes from air through a sheet of glass and out the other side, as shown. air boundary 1 glass boundary 2 air Which two angles are equal to each other? A angle of incidence at boundary 1 and angle of incidence at boundary 2 B angle of incidence at boundary 1 and angle of refraction at boundary 1 C angle of incidence at boundary 1 and angle of refraction at boundary 2 D angle of refraction at boundary 1 and angle of refraction at boundary 2

1 marks

Answer: C

This question in 0625/13 May/June 2022

23 An object is placed in front of a converging lens. The lens has a focal length f. In which labelled position should the object be placed in order to produce a real image that is smaller than the object? lens A B C D f 2f

1 marks

Answer: A

This question in 0625/13 May/June 2022

19 What are the correct labels for the ray diagram? W Y X Z principal object image focus A W X Y B W Z Y C X Y Z D X Z W

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2022

20 The diagram shows an object in front of a plane mirror. At which labelled position is the image of the object formed? B C A D plane mirror eye object

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2022

21 The angle between an incident ray and the surface of a plane mirror reflecting the ray is 70°. What is the angle of incidence? A 20° B 40° C 70° D 140°

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2022

19 A 60 glass prism disperses white light as shown. red spectrum white violet light glass prism The spectrum can be seen emerging from the prism. Which spectrum shows the colours in the correct order? A violet, green, blue, yellow, orange, red B violet, blue, green, orange, yellow, red C violet, blue, green, yellow, orange, red D violet, green, blue, orange, yellow, red

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2022

20 The diagram shows an object in front of a plane mirror. At which labelled position is the image of the object formed? B C A D plane mirror eye object

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2022

21 The diagram shows the action of a thin converging lens on two rays of light. The rays are from the top of an object O. An inverted image I is formed. lens I O R S Which name is given to the distance RS? A principal axis B principal focus C focal length D real length

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2022

19 The diagram shows a ray of light being reflected from a plane mirror. X Y plane mirror W Z Which row identifies the angles of incidence and reflection? angle of angle of incidence reflection A W Y B W Z C X Y D X Z

1 marks

Answer: C

This question in 0625/12 Feb/March 2023

21 Which diagram shows what happens when a ray of white light passes through a prism? A B spectrum white white light light spectrum C D spectrum white white light light spectrum

1 marks

Answer: D

This question in 0625/12 Feb/March 2023

18 A student draws a diagram to show the directions of a light ray reflecting off a plane mirror. 1 2 3 mirror What are the correct terms for the lines drawn? incident reflected normal ray ray A 1 2 3 B 1 3 2 C 2 1 3 D 2 3 1

1 marks

Answer: C

This question in 0625/11 May/June 2023

19 An object O is placed at point P near to a thin converging lens. The diagram shows three rays from the top of O passing through the lens. Each point F is one focal length from the centre of the lens. Each point 2F is two focal lengths from the centre of the lens. O P 2F Q F F 2F image The object O is moved to point Q on the diagram. Which type of image is produced when the object O is at point Q? A inverted and the same size as the object B inverted and enlarged C upright and the same size as the object D upright and enlarged

1 marks

Answer: B

This question in 0625/11 May/June 2023

20 Which diagram shows the dispersion of white light by a glass prism? A B red red red white white violet violet violet C D red red red red white violet violet white violet violet

1 marks

Answer: B

This question in 0625/11 May/June 2023

18 A light ray strikes a plane mirror and is reflected. Which angle is always equal in size to the angle of reflection? A the angle between the incident ray and the mirror B the angle between the incident ray and the normal to the mirror C the angle between the reflected ray and the mirror D the angle between the reflected ray and the incident ray

1 marks

Answer: B

This question in 0625/12 May/June 2023

19 The diagram shows two diverging rays of light passing through a lens and emerging parallel to each other. Which labelled distance is the focal length of the lens? thin lens A D C B

1 marks

Answer: B

This question in 0625/12 May/June 2023

20 A beam of light consists of yellow and blue light. The beam of light is incident on a glass prism. Which diagram is correct? A B yellow blue blue yellow glass prism glass prism C D glass prism glass prism blue yellow yellow blue

1 marks

Answer: D

This question in 0625/12 May/June 2023

18 The optical image formed by a plane mirror is the same size as the object. Which row describes the other characteristics of the optical image formed? distance from real or virtual the mirror A same as object virtual B smaller than object virtual C larger than object real D same as object real

1 marks

Answer: A

This question in 0625/13 May/June 2023

19 The diagram shows a partly completed scale drawing of an upright object placed 3 cm in front of a thin converging lens of focal length 2 cm. F F What is the nature of the image formed by this lens? A diminished, inverted and closer to the lens than the object B diminished, upright and further from the lens than the object C enlarged, inverted and closer to the lens than the object D enlarged, inverted and further from the lens than the object

1 marks

Answer: D

This question in 0625/13 May/June 2023

20 A narrow beam of white light passes through a prism and is dispersed into a spectrum. 1 white 2 light 3 Which row is correct? colour 1 colour 2 colour 3 A blue yellow red B red blue yellow C red yellow blue D yellow blue red

1 marks

Answer: C

This question in 0625/13 May/June 2023

19 Which diagram correctly shows the dispersion of white light through a glass prism? A B blue light red light red light blue light C D blue light red light red light blue light

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2023

20 A ray of light is reflected by a plane mirror. Q R P S Which row shows the angle of incidence and the angle of reflection? angle of angle of incidence reflection A P Q B P S C Q R D R S

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2023

21 A thin converging lens is used to produce a real image of an object. Which statement about the real image is always correct? A It is nearer to the lens than the object. B It is on the opposite side of the lens to the object. C It is the same size as the object. D It is upright.

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2023

19 Red, green and violet lights are part of the visible spectrum of light. What is the order of colours from shortest to longest wavelength? A red  green  violet B red  violet  green C violet  red  green D violet  green  red

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2023

20 Which diagram shows the image correctly formed by reflection? A B object image object image mirror mirror C D object image object image mirror mirror

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2023

21 A student passes parallel rays of light through four different converging lenses. He measures the distance x and the distance y for each experiment. x y Which lens has the longest focal length? x / cm y / cm A 4.6 2.0 B 5.1 3.1 C 5.9 2.3 D 6.1 2.4

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2023

19 A beam of light from the Sun strikes a prism. prism X beam of light Z from the Sun Y white wall The dispersed beam is incident on a white wall between X and Y. Which colours are seen at X, Z and Y? X Z Y A red green violet B red violet green C violet green red D violet red green

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2023

20 The diagram shows a ray of light incident on a plane mirror. mirror 35° The angle between the ray and the mirror is 35°. The ray is reflected by the mirror. What is the angle of reflection? A 35° B 55° C 70° D 110°

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2023

21 A thin converging lens in a camera produces a real image on a photo-sensitive surface, as shown. At which position is the image of the top of the object formed? thin converging lens top A B object D C photo-sensitive surface

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2023

16 The diagram shows a ray of light travelling from air into a glass block and changing direction so that it is closer to the normal. air normal glass block What is the name of this process and why does it happen? process why it happens A diffraction speed of the light decreases B diffraction speed of the light increases C refraction speed of the light increases D refraction speed of the light decreases

1 marks

Answer: D

This question in 0625/12 Feb/March 2024

18 Which statement about total internal reflection is correct? A Total internal reflection occurs when light is incident on a glass to air boundary at an angle of incidence greater than the critical angle. B Total internal reflection occurs when light is incident on a glass to air boundary at an angle of incidence less than the critical angle. C Total internal reflection occurs when light is incident on an air to glass boundary at an angle of incidence greater than the critical angle. D Total internal reflection occurs when light is incident on an air to glass boundary at an angle of incidence less than the critical angle.

1 marks

Answer: A

This question in 0625/12 Feb/March 2024

19 A ray of green light passes through a glass prism, as shown. green light Which colours of light refract as shown in the table? refracts more refracts less than green than green A red blue B red yellow C violet blue D violet yellow

1 marks

Answer: D

This question in 0625/12 Feb/March 2024

19 The diagram shows a ray of light in glass incident on the surface between the glass and air. air glass What happens if the angle of incidence is made larger than the critical angle for the glass? A The angle of refraction becomes equal to 90. B There is a refracted ray and a ray reflected inside the glass. C There is a refracted ray only. D There is only a ray reflected inside the glass.

1 marks

Answer: D

This question in 0625/11 May/June 2024

20 Red light of frequency 430  1012 Hz has a wavelength of 700  10–9 m. What is possible for blue light? A a frequency of 190  1012 Hz and a wavelength of 450  10–9 m B a frequency of 190  1012 Hz and a wavelength of 950  10–9 m C a frequency of 670  1012 Hz and a wavelength of 450  10–9 m D a frequency of 670  1012 Hz and a wavelength of 950  10–9 m

1 marks

Answer: C

This question in 0625/11 May/June 2024

17 Waves on the surface of water travel from deep water to shallow water. Which diagram shows the correct path of the waves in the shallow water? A B deep shallow deep shallow water water water water C D shallow shallow deep water deep water water water

1 marks

Answer: A

This question in 0625/13 May/June 2024

18 The diagram shows a thin converging lens with principal focuses at F1 and F2. principal axis F1 F2 A small light source is placed at F1. A beam of light from the source passes through the lens. Which statement correctly describes the beam of light emerging from the lens? A The beam converges to F2. B The beam converges to a point to the right of F2. C The beam diverges from a point to the left of F1. D The beam travels parallel to the principal axis.

1 marks

Answer: D

This question in 0625/13 May/June 2024

19 A student reads the following relationship in his physics book. i = r What is the student reading about? A diffraction due to a gap B dispersion of light by a prism C reflection in a plane mirror D refraction as light enters glass

1 marks

Answer: C

This question in 0625/13 May/June 2024

20 The table shows information about different colours of light. colour frequency / Hz of light violet 7.2  1014 blue 6.3  1014 yellow 5.2  1014 red 4.5  1014 Using the data, what is the frequency of orange light? A 4.0  1014 Hz B 5.0  1014 Hz C 6.0  1014 Hz D 7.0  1014 Hz

1 marks

Answer: B

This question in 0625/13 May/June 2024

19 The ray diagram shows the formation of an image when light is reflected by a plane mirror. image X mirror Z Y object eye Which lines represent light rays? A X, Y and Z B X and Y only C X and Z only D Y and Z only

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2024

20 Which diagram shows how an image of an object is formed on a screen by a converging lens? A B 2 x focal length 2 x focal length screen screen focal length focal length : screen screen

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2024

21 Which diagram shows the dispersion of white light by a glass prism? A B red violet red white violet white light light C D red red white violet white violet light light

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2024

19 The diagram shows a ray of light as it passes from air into glass. S P glass Q air R Which row shows the angle of refraction and the normal? angle of normal refraction A P R B P S C Q R D Q S

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2024

20 The diagram shows rays of light passing through a converging lens. Which labelled arrow represents the focal length of the lens? C A B D

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2024

21 The diagram shows a narrow beam of white light being dispersed by a glass prism to produce a visible spectrum. P white light Q Which statement describes what happens to the frequency and wavelength of the light in observing from P to Q across the spectrum? A The frequency and the wavelength both increase. B The frequency and the wavelength both decrease. C The frequency decreases but the wavelength increases. D The frequency increases but the wavelength decreases.

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2024

19 A ray of light is reflected from a plane mirror. Which angle is the angle of reflection? A the angle between the incident ray and the normal B the angle between the incident ray and the reflected ray C the angle between the reflected ray and the normal D the angle between the reflected ray and the surface

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2024

20 A thin converging lens forms an image. object image F F What is the nature of this image and can it be formed on a screen? can be formed nature of image on a screen A virtual no B virtual yes C real no D real yes

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2024

21 Which diagram shows the dispersion of white light by a prism? A B white violet white red red violet C D violet red white red white violet

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2024

22 A ray of light is incident on the surface of a plane mirror, as shown. In which position is the reflected ray? ray of A B light 60° plane mirror 30° 30° 30° C D

1 marks

Answer: B

This question in 0625/12 Feb/March 2025

23 The diagram shows a ray of light passing from glass to air. The dotted line labelled ‘normal’ is a line drawn perpendicular to the surface of the glass. What is the angle of refraction? C air D glass B A normal

1 marks

Answer: C

This question in 0625/12 Feb/March 2025

24 The diagram shows how a converging lens forms an image of an object. object image Which description of the image formed by the lens is correct? A real, inverted and diminished B real, upright and enlarged C virtual, inverted and diminished D virtual, upright and enlarged

1 marks

Answer: A

This question in 0625/12 Feb/March 2025

25 Which row describes the image viewed in a plane mirror? type of image image size A real enlarged B real same size C virtual enlarged D virtual same size

1 marks

Answer: D

This question in 0625/12 Feb/March 2025

21 The diagram shows the image of a clock as seen by a person standing in front of a plane mirror. What is the actual time? A 4:15 B 4:45 C 7:15 D 7:45

1 marks

Answer: C

This question in 0625/11 May/June 2025

22 The diagram shows a ray of light incident on the surface of a glass block. 1 2 3 glass block 4 The ray of light is partially reflected back into the air and partially refracted into the glass block. Which row correctly identifies the angle of reflection and the angle of refraction? angle of angle of reflection refraction A 1 3 B 1 4 C 2 3 D 2 4

1 marks

Answer: B

This question in 0625/11 May/June 2025

19 A ray of light passes through a glass block. What is the path of the light? ray of light air glass A B C D

1 marks

Answer: C

This question in 0625/12 May/June 2025

20 The diagram shows a converging lens forming an image. converging lens object image 24 cm 10 cm 14 cm not to scale What is the focal length of the converging lens? A 10 cm B 14 cm C 24 cm D 34 cm

1 marks

Answer: A

This question in 0625/12 May/June 2025

19 A ray of light passes through a glass block. What is the path of the light? ray of light air glass A B C D

1 marks

Answer: C

This question in 0625/13 May/June 2025

20 The diagram shows a converging lens forming an image. converging lens object image 24 cm 10 cm 14 cm not to scale What is the focal length of the converging lens? A 10 cm B 14 cm C 24 cm D 34 cm

1 marks

Answer: A

This question in 0625/13 May/June 2025

20 Light reflects from a plane mirror. The angle between the incident ray and the reflected ray is 68°. What is the angle of incidence? A 11° B 22° C 34° D 56°

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2025

21 The diagram shows a ray of red light travelling through a transparent prism. Normals to the prism surfaces are marked at the points where the ray meets the prism surfaces. The direction of the incident ray is changed until total internal reflection just occurs at one of the surfaces. Which angle must now be equal to the critical angle? C B D A

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2025

22 The diagram shows an image being formed by a converging lens. object 2F F F 2F image Which description of the image formed is correct? A enlarged and inverted B enlarged and upright C diminished and inverted D diminished and upright

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2025

20 A ray of light is incident on a plane mirror. A student measures the angle of incidence i and the angle of reflection r. incident i r reflected ray ray The student varies the angle of incidence and then plots a graph of r against i. What does the graph look like? A B C D r r r r 0 0 0 0 0 i 0 i 0 i 0 i

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2025

21 A ray of light passes from air into a block of glass. The critical angle is 42°. Which statement is correct? A The angle of incidence is the angle between the ray of light and the surface of the glass block. B The angle of incidence is always bigger than 42°. C The angle of refraction cannot be less than 42°. D The angle of refraction is smaller than the angle of incidence.

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2025

22 A converging lens is used to produce a real image of a 2 cm high object. The image is 4 cm high. Which ray diagram shows how the lens forms the image? A B lens lens object object F F F F image image C D lens lens object object F F F F image image

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2025

23 White light can be split into different colours by passing it through a prism. What is the name of this process? A diffraction B dispersion C reflection D total internal reflection

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2025