Light — Paper 1 · IGCSE Physics (9-1) 0972

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 0972/11 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 0972/11 May/June 2018

21 Ultrasound is used in a hospital to scan a patient. Ultrasound refracts at the boundary between muscle and bone because it travels at a greater speed in bone. Which change takes place when the ultrasound travels from muscle into bone? A The frequency of the wave decreases. B The frequency of the wave increases. C The wavelength of the wave decreases. D The wavelength of the wave increases.

1 marks

Answer: D

This question in 0972/11 May/June 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 0972/11 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 0972/11 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 0972/11 May/June 2019

21 The diagram shows wavefronts on the surface of water, viewed from above. region 1 deep water region 2 shallow water Which row is correct for the wavefronts moving from region 1 to region 2? the speeds of name of process the wavefronts in regions 1 and 2 are A diffraction different B diffraction the same C refraction different D refraction the same

1 marks

Answer: C

This question in 0972/11 Oct/Nov 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 0972/11 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 0972/11 Oct/Nov 2019

22 Waves travel more quickly on the surface of water when the water is deep. A stone is dropped at point X into a pool of varying depth. The diagram shows the first three wavefronts on the surface of the pool. The region between X and which labelled point is likely to be the deepest? B wavefronts A X C D

1 marks

Answer: C

This question in 0972/11 May/June 2020

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 0972/11 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 0972/11 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 0972/12 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 0972/12 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 0972/11 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 0972/11 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 0972/11 Oct/Nov 2020

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 0972/11 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 0972/11 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 0972/11 Oct/Nov 2021

23 Two rays of light are different colours. Which row is correct? speed of the two wavelengths of the two colours in a vacuum colours in a vacuum A different different B different the same C the same different D the same the same

1 marks

Answer: C

This question in 0972/11 Oct/Nov 2021

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 0972/11 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 0972/11 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 0972/12 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 0972/12 May/June 2022

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 0972/11 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 0972/11 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 0972/11 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 0972/12 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 0972/12 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 0972/12 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 0972/11 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 0972/11 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 0972/11 Oct/Nov 2023

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 0972/11 May/June 2024

18 The diagram shows a ray of light reflecting from a mirror. mirror x Z y Which row shows the correct names for x, y and Z? x y Z A angle of incidence angle of reflection normal B angle of incidence angle of reflection principal focus C angle of reflection angle of refraction normal D angle of reflection angle of refraction principal focus

1 marks

Answer: A

This question in 0972/12 May/June 2024

19 A converging lens forms an image of an object placed in front of it. object F F image What are the characteristics of the image? A real, inverted, diminished B real, upright, enlarged C virtual, inverted, diminished D virtual, upright, enlarged

1 marks

Answer: A

This question in 0972/12 May/June 2024

20 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 refraction

1 marks

Answer: B

This question in 0972/12 May/June 2024

18 Water waves change direction when they move from shallow water to deep water. new wave direction original wave direction deep water shallow water What is the name of this effect? A diffraction B dispersion C reflection D refraction

1 marks

Answer: D

This question in 0972/11 Oct/Nov 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 0972/11 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 0972/11 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 0972/11 Oct/Nov 2024

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 0972/11 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 0972/11 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 0972/12 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 0972/12 May/June 2025