Light — Paper 2 · IGCSE Sciences - Co-ordinated (Double) 0654

35 Which ray diagram represents the formation of a virtual image I of an object O? A B I O O I C D O I O I

1 marks

Answer: A

This question in 0654/21 May/June 2017

35 The diagram shows a ray of light in air entering and passing through a glass block. Which labelled arrow shows the direction of the ray after it leaves the glass block? air glass D C B A

1 marks

Answer: B

This question in 0654/22 May/June 2017

35 The diagram shows light passing along a glass optical fibre. glass optical fibre path of light Which description applies to the optical fibre? A A maximum amount of light is absorbed by the glass. B Light waves reflect inside the fibre. C Microwaves can be transmitted in the fibre. D The signal strengthens as the length of the fibre increases.

1 marks

Answer: B

This question in 0654/23 May/June 2017

35 The diagram shows two rays of light that have passed from an object through a thin converging lens. An image is formed. object rays of light lens Which statement about the image is correct? A It is inverted and real. B It is inverted and virtual. C It is upright and real. D It is upright and virtual.

1 marks

Answer: D

This question in 0654/21 Oct/Nov 2017

34 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 0654/22 Oct/Nov 2017

34 A student uses a converging lens to obtain a magnified, virtual image of an object. The object is in the position shown in the diagram. A principal focus of the lens is also shown on each side of the lens. At which labelled position is the image formed? converging lens object A B principal focus principal focus C D

1 marks

Answer: A

This question in 0654/23 Oct/Nov 2017

36 The diagram shows a converging lens and an object O. The focal length f is marked on each side of the lens. O f f Is the image real or virtual, and is it inverted or upright? A real and inverted B real and upright C virtual and inverted D virtual and upright

1 marks

Answer: D

This question in 0654/21 Oct/Nov 2018

34 Which diagram shows how a real image is formed by a convex lens? A B C D

1 marks

Answer: A

This question in 0654/22 Oct/Nov 2018

34 The ray diagram shows two rays of light that have passed from an object through a converging lens. object X rays of light lens Y Which labelled point X or Y is a principal focus of the lens, and how does the size of the image compare with the size of the object? principal focus size of image A X larger than object B X smaller than object C Y larger than object D Y smaller than object

1 marks

Answer: A

This question in 0654/23 Oct/Nov 2018

34 In the diagrams, F is one principal focus of the converging lens. Which diagram shows the lens being used as a magnifying glass? A B F F C D F F

1 marks

Answer: A

This question in 0654/21 May/June 2019

33 A student stands in front of a plane mirror on a wall. Which statement about the image of the student is not correct? A The image is laterally inverted. B The image is smaller than the student. C The image is upright. D The student and the image are equal distances from the mirror.

1 marks

Answer: B

This question in 0654/22 May/June 2019

34 A glass block is surrounded by air. Light travelling in the glass block reaches the edge of the block. The critical angle of the glass is 42°. NOT TO air SCALE glass i ray of light Which row shows an angle of incidence i of the light and what happens to the light when it reaches the edge of the glass block at this angle of incidence? i what happens to the light A 30o totally internally reflected B 45o refracted C 60o totally internally reflected D 75o refracted

1 marks

Answer: C

This question in 0654/21 Oct/Nov 2019

34 A glass block is surrounded by air. Light travelling in the glass block reaches the edge of the block. The critical angle of the glass is 42°. NOT TO air SCALE glass i ray of light Which row shows an angle of incidence i of the light and what happens to the light when it reaches the edge of the glass block at this angle of incidence? i what happens to the light A 30o totally internally reflected B 45o refracted C 60o totally internally reflected D 75o refracted

1 marks

Answer: C

This question in 0654/22 Oct/Nov 2019

32 A glass block is surrounded by air. Light travelling in the glass block reaches the edge of the block. The critical angle of the glass is 42°. NOT TO air SCALE glass i ray of light Which row shows an angle of incidence i of the light and what happens to the light when it reaches the edge of the glass block at this angle of incidence? i what happens to the light A 30o totally internally reflected B 45o refracted C 60o totally internally reflected D 75o refracted

1 marks

Answer: C

This question in 0654/23 Oct/Nov 2019

33 Which statement about real and virtual images formed by a thin converging lens is correct? A All real images are enlarged and inverted. B All real images can be produced on a screen. C All virtual images are diminished and upright. D All virtual images can be produced on a screen.

1 marks

Answer: B

This question in 0654/23 Oct/Nov 2019

35 Which ray diagram represents the formation of a virtual image I of an object O? A B I O O I C D O I O I

1 marks

Answer: A

This question in 0654/21 May/June 2020

33 The diagram shows light passing through a plastic block. 55° plastic block 40° 40° 55° What is the refractive index of the plastic? A 0.73 B 0.78 C 1.27 D 1.38

1 marks

Answer: C

This question in 0654/22 May/June 2020

34 Which ray diagram represents the formation of a virtual image I of an object O? A B I O O I C D O I O I

1 marks

Answer: A

This question in 0654/22 May/June 2020

34 Which ray diagram represents the formation of a virtual image I of an object O? A B I O O I C D O I O I

1 marks

Answer: A

This question in 0654/23 May/June 2020

35 The diagram shows a ray of light travelling in glass from point P. Angle x is greater than the critical angle. In which labelled direction does the ray continue? A B air glass C x P D

1 marks

Answer: D

This question in 0654/21 Oct/Nov 2020

34 The diagram shows a ray of light travelling in glass from point P. Angle x is greater than the critical angle. In which labelled direction does the ray continue? A B air glass C x P D

1 marks

Answer: D

This question in 0654/22 Oct/Nov 2020

34 The diagram shows a ray of light travelling in glass from point P. Angle x is greater than the critical angle. In which labelled direction does the ray continue? A B air glass C x P D

1 marks

Answer: D

This question in 0654/23 Oct/Nov 2020

33 The diagram shows two rays of light that have passed from an object through a converging lens. object X rays of light lens Y Which labelled point X or Y is a principal focus of the lens, and how does the size of the image compare with the size of the object? principal focus size of image A X larger than object B X smaller than object C Y larger than object D Y smaller than object

1 marks

Answer: A

This question in 0654/22 Feb/March 2021

35 The diagram represents the surface of a transparent liquid. Two rays of light are travelling in the liquid. They both reach the surface. The path of each ray is shown. air liquid 50° 55° What is the critical angle for this liquid? A 35 B 40 C 50 D 55

1 marks

Answer: A

This question in 0654/21 May/June 2021

35 The diagram represents the surface of a transparent liquid. Two rays of light are travelling in the liquid. They both reach the surface. The path of each ray is shown. air liquid 50° 55° What is the critical angle for this liquid? A 35 B 40 C 50 D 55

1 marks

Answer: A

This question in 0654/22 May/June 2021

34 A boy stands 3.0 m in front of a plane mirror. He sees his image formed by the mirror. The boy moves 1.0 m closer to the mirror. How much closer is the boy to his image now? A 0.50 m B 1.0 m C 2.0 m D 4.0 m

1 marks

Answer: C

This question in 0654/23 May/June 2021

35 The diagram represents the surface of a transparent liquid. Two rays of light are travelling in the liquid. They both reach the surface. The path of each ray is shown. air liquid 50° 55° What is the critical angle for this liquid? A 35 B 40 C 50 D 55

1 marks

Answer: A

This question in 0654/23 May/June 2021

35 The diagram shows a ray of light striking a plane mirror. ray of light 20° plane mirror What is the angle of reflection? A 20 B 40 C 70 D 90

1 marks

Answer: C

This question in 0654/21 Oct/Nov 2021

36 Which diagram shows a converging lens forming a real image of an object O? A B O O C D O O

1 marks

Answer: C

This question in 0654/21 Oct/Nov 2021

35 The diagram shows a ray of light striking a plane mirror. ray of light 20° plane mirror What is the angle of reflection? A 20 B 40 C 70 D 90

1 marks

Answer: C

This question in 0654/22 Oct/Nov 2021

36 Light is travelling in a glass block. The light reaches the edge of the block. The angle of incidence at the edge is much less than the critical angle. What happens to the light? A All of the light emerges into the air. B All of the light is reflected back into the block. C Some of the light emerges into the air and some is reflected back into the block. D Some of the light is reflected back into the block and some travels along the edge of the block.

1 marks

Answer: C

This question in 0654/22 Oct/Nov 2021

34 The diagram shows a ray of light striking a plane mirror. ray of light 20° plane mirror What is the angle of reflection? A 20 B 40 C 70 D 90

1 marks

Answer: C

This question in 0654/23 Oct/Nov 2021

32 Light undergoes total internal reflection in an optical fibre. Which statement explains why this reflection occurs? A The angle of incidence is equal to the angle of refraction. B The angle of incidence is greater than the angle of reflection. C The angle of incidence is greater than the critical angle. D The angle of incidence is less than the critical angle.

1 marks

Answer: C

This question in 0654/22 Feb/March 2022

33 The diagram shows how a thin, converging lens forms an image of an object. One principal focus of the lens is labelled F. lens object F How is the image described? A enlarged, upright and real B enlarged, upright and virtual C diminished, inverted and real D diminished, inverted and virtual

1 marks

Answer: B

This question in 0654/21 May/June 2022

34 Light enters a glass block at an angle of incidence of 41. The light bends toward the normal. The angle between the refracted ray and the glass-air boundary is 62. glass 62° air 41° Which expression is equal to the refractive index of the glass? sin 41  sin 41  sin 49  sin 49  A B C D sin 28  sin 62  sin 28  sin 62 

1 marks

Answer: A

This question in 0654/22 May/June 2022

34 A lens is used as a magnifying glass to form a magnified image of some writing on a page. ambridge I E Sciences Which statements are correct? 1 The lens is a converging lens. 2 The writing is closer to the lens than one focal length of the lens. 3 The magnified image is a virtual image. A 1 and 2 only B 1 and 3 only C 2 and 3 only D 1, 2 and 3

1 marks

Answer: D

This question in 0654/23 May/June 2022

34 The critical angle for diamond in air is 25. Light travels faster in air than in diamond. Which diagram shows the path of light passing from diamond into air? A B air air diamond diamond 30° 20° C D air air diamond diamond 30° 20°

1 marks

Answer: D

This question in 0654/21 Oct/Nov 2022

34 The critical angle for diamond in air is 25. Light travels faster in air than in diamond. Which diagram shows the path of light passing from diamond into air? A B air air diamond diamond 30° 20° C D air air diamond diamond 30° 20°

1 marks

Answer: D

This question in 0654/22 Oct/Nov 2022

34 The critical angle for diamond in air is 25°. Light travels faster in air than in diamond. Which diagram shows the path of light passing from diamond into air? A B air air diamond diamond 30° 20° C D air air diamond diamond 30° 20°

1 marks

Answer: D

This question in 0654/23 Oct/Nov 2022

34 The diagram shows a ray of light passing from air into a transparent medium. normal air 35° medium 70° What is the refractive index of the medium? A 0.50 B 0.61 C 2.4 D 2.8

1 marks

Answer: C

This question in 0654/22 Feb/March 2023

32 A student stands in front of a plane mirror on a wall. Which statement about the image of the student is not correct? A The image is laterally inverted (left to right). B The image is smaller than the student. C The image is upright. D The student and the image are equal distances from the mirror.

1 marks

Answer: B

This question in 0654/21 May/June 2023

34 The diagram shows a ray of light passing from air into plastic. The sizes of four angles are given. 30° 60° air plastic 72° 18° The table gives the value of the sine of each angle. angle /  sine 18 0.31 30 0.50 60 0.87 72 0.95 What is the refractive index of the plastic? A 0.62 B 0.92 C 1.6 D 1.7

1 marks

Answer: C

This question in 0654/21 May/June 2023

34 An object is placed in front of a plane mirror on a wall. What are the characteristics of the image formed? A same size as object and inverted top to bottom B same size as object and laterally inverted (left to right) C smaller than object and inverted top to bottom D smaller than object and laterally inverted (left to right)

1 marks

Answer: B

This question in 0654/22 May/June 2023

35 A ray of light in air enters glass at an angle of incidence of 34. The refractive index of glass is 1.5. What is the angle of refraction of the ray of light in the glass? A 22 B 24 C 56 D 57

1 marks

Answer: A

This question in 0654/22 May/June 2023

34 Light passes from air through a solid glass block and back into the air. Which diagram shows the path of the light? A B glass glass block block C D glass glass block block

1 marks

Answer: A

This question in 0654/23 May/June 2023

35 The diagram shows an object at position P in front of a thin converging lens of focal length f. The lens produces a real image of the object. P Q f 2f The object is moved to position Q. The image produced is now virtual. What happens to the image? A It changes from a diminished image to an enlarged image. B It changes from an enlarged image to a diminished image. C It remains a diminished image. D It remains an enlarged image.

1 marks

Answer: D

This question in 0654/23 May/June 2023

34 When light passes from air into glass its speed decreases but its frequency remains constant. Light travelling in air enters a glass block at an angle of incidence that is greater than 0. Which row describes what happens to the direction and what happens to the wavelength of the light? direction wavelength A moves away from the normal decreases B moves away from the normal increases C moves towards the normal decreases D moves towards the normal increases

1 marks

Answer: C

This question in 0654/21 Oct/Nov 2023

33 An object is placed in front of a mirror on a wall. Which statement about the image formed by the mirror is correct? A The image and the object are equal distances from the mirror. B The image is diminished (smaller than the object). C The image is enlarged (larger than the object). D The image is inverted (upside down).

1 marks

Answer: A

This question in 0654/22 Feb/March 2024

34 What is the definition of the refractive index n of a substance? speed of light in a vacuum A speed of light in the substance speed of light in the substance B speed of light in a vacuum frequency of light in a vacuum C frequency of light in the substance frequency of light in the substance D frequency of light in a vacuum

1 marks

Answer: A

This question in 0654/22 Feb/March 2024

34 A thin converging lens produces a real image of an object. What happens to the image as the object is moved away from the lens? A It becomes larger and stays inverted. B It becomes larger and stays upright. C It becomes smaller and stays inverted. D It becomes smaller and stays upright.

1 marks

Answer: C

This question in 0654/21 May/June 2024

34 A plane mirror is fixed to a vertical wall and forms an image of an object. What are the characteristics of the image? A enlarged and upright B enlarged and inverted C same size as the object and upright D same size as the object and inverted

1 marks

Answer: C

This question in 0654/22 May/June 2024

33 Which diagram shows a ray of light undergoing total internal reflection? A B air air glass glass incident incident ray ray C D glass glass air air incident incident ray ray

1 marks

Answer: A

This question in 0654/23 May/June 2024

33 A ray of light travels from glass into air. normal air glass ray of light In which direction is the light refracted and how does the speed of the light change? direction of refracted light speed of light A bends away from the normal decreases B bends away from the normal increases C bends towards the normal decreases D bends towards the normal increases

1 marks

Answer: B

This question in 0654/21 Oct/Nov 2024

33 The critical angle of water is 49. A ray of light from the bottom of a swimming pool has an angle of incidence of 50 at the surface of the water. What happens to the ray of light? A It is all refracted with an angle of refraction of 49. B It is partly reflected and partly refracted. C It is totally internally reflected with an angle of reflection of 50. D It travels along the surface of the water.

1 marks

Answer: C

This question in 0654/22 Oct/Nov 2024

33 A light wave travelling in air is refracted as it enters a glass block. Which row shows the effect on the speed and the wavelength of the light wave as it enters the glass? speed wavelength A decreases decreases B decreases no change C increases increases D increases no change

1 marks

Answer: A

This question in 0654/23 Oct/Nov 2024

34 The diagram shows the formation of an image of an object by a converging lens. Three points are labelled X, Y and Z. converging lens object Y Z image X Which labelled point is a principal focus of the lens and which distance is the focal length? principal focal focus length A Y XY B Y XZ C Z XY D Z XZ

1 marks

Answer: A

This question in 0654/23 Oct/Nov 2024

35 Which statement about real and virtual images formed by a thin converging lens is correct? A All real images are enlarged and inverted. B All real images can be produced on a screen. C All virtual images are diminished and upright. D All virtual images can be produced on a screen.

1 marks

Answer: B

This question in 0654/22 Feb/March 2025

34 The diagram shows a ray of light passing from medium P to medium Q and then to medium R. The speeds of light in each of the mediums P, Q and R are cP, cQ and cR respectively. P Q R Which list compares the speeds of light in the three mediums in order from lowest to highest? A cP  cQ  cR B cP  cR  cQ C cQ  cP  cR D cR  cQ  cP

1 marks

Answer: D

This question in 0654/21 May/June 2025

34 What is the difference between a real image and a virtual image? A A real image can be shown on a screen, but a virtual image cannot. B A real image is always formed by a magnifying glass. C A real image is always formed by a plane mirror. D A virtual image can be shown on a screen, but a real image cannot.

1 marks

Answer: A

This question in 0654/22 May/June 2025

32 An image of an object is formed by a plane mirror. The image formed is virtual. Which statement describes what is meant by a virtual image? A The reflected rays do not meet where the image is formed. B The image is formed directly opposite the object. C The image is the same distance from the mirror as the distance of the object from the mirror. D The angle of incidence is equal to the angle of reflection.

1 marks

Answer: A

This question in 0654/23 May/June 2025

33 The diagram shows a ray of light travelling in glass from point P towards a glass–air boundary. Angle x is greater than the critical angle. In which labelled direction does the ray continue? A B air glass C x P D

1 marks

Answer: D

This question in 0654/23 May/June 2025

33 In the diagrams, F is one principal focus of the converging lens. Which diagram shows the use of a lens as a magnifying glass? A B F F C D F F

1 marks

Answer: A

This question in 0654/21 Oct/Nov 2025

35 A ray of light strikes the boundary between water and air. Which statement describes when the angle of incidence is equal to the critical angle? A The light passes from air into water and no light is reflected. B The light passes from air into water and the angle of refraction is 90°. C The light passes from water into air and no light is reflected. D The light passes from water into air and the angle of refraction is 90°.

1 marks

Answer: D

This question in 0654/21 Oct/Nov 2025

34 The diagram shows a ray of light that passes from a vacuum into plastic. The plastic has a refractive index of 1.5. An angle X is labelled on the diagram. normal incident ray 55° 35° vacuum plastic X refracted ray What is angle X? A 22° B 23° C 33° D 37°

1 marks

Answer: C

This question in 0654/22 Oct/Nov 2025

33 Which statement describes the term critical angle? A the largest angle of incidence in a denser medium for which refraction into a less dense medium occurs B the largest angle of incidence in a less dense medium for which refraction into a denser medium occurs C the smallest angle of incidence in a denser medium for which refraction into a less dense medium occurs D the smallest angle of incidence in a less dense medium for which refraction into a denser medium occurs

1 marks

Answer: A

This question in 0654/23 Oct/Nov 2025

34 Which ray diagram shows the formation of a virtual image? A B image object image object C D object image image object

1 marks

Answer: B

This question in 0654/23 Oct/Nov 2025