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Physics of the eye: AQA A‑Level Physics questions

Every AQA A-Level Physics exam question on 3.10.1 Physics of the eye, 2016–2025, with its mark scheme and examiner’s report.

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2,714 questions

  1. Q01.1

    June 2025 · Paper 3 Medical physics

    2 marks3.10.1 Physics of the eye
    The whole paper ↗
    June 2025 Paper 3 Medical physics, question 01.1: Figure 1 shows a simplified diagram of an eye that has no sight defects. The eye is viewing a distant point object. Complete, on Figure 1, the paths of the two

  2. Q01.2

    June 2025 · Paper 3 Medical physics

    1 mark3.10.1 Physics of the eye
    The whole paper ↗
    June 2025 Paper 3 Medical physics, question 01.2: Accommodation is the ability of the eye to change its optical power. Which part of the eye enables accommodation? Tick () one box. [1 mark] cornea iris lens Th

  3. Q01.3

    June 2025 · Paper 3 Medical physics

    4 marks3.10.1 Physics of the eye
    The whole paper ↗
    June 2025 Paper 3 Medical physics, question 01.3: An eye of a typical 30-year-old person has a far point at infinity. The focal length of the eye when viewing an object at its far point is 23 mm. Calculate the

  4. Q01.4

    June 2025 · Paper 3 Medical physics

    2 marks3.10.1 Physics of the eye
    The whole paper ↗
    June 2025 Paper 3 Medical physics, question 01.4: For a typical person, the far point remains at infinity as the person’s age increases. Some studies suggest that hypermetropia increases with age. Explain how F

  5. Q01.1

    June 2024 · Paper 3 Medical physics

    1 mark3.10.1 Physics of the eye
    The whole paper ↗
    June 2024 Paper 3 Medical physics, question 01.1: A human eye has a far point of 6.0 m. State the name of this defect of vision. [1 mark]

  6. Q01.2

    June 2024 · Paper 3 Medical physics

    2 marks3.10.1 Physics of the eye
    The whole paper ↗
    June 2024 Paper 3 Medical physics, question 01.2: Calculate the power of the correcting lens required for this eye. [2 marks] power = D

  7. Q01.3

    June 2024 · Paper 3 Medical physics

    1 mark3.10.1 Physics of the eye
    The whole paper ↗
    June 2024 Paper 3 Medical physics, question 01.3: An eye with astigmatism requires the following prescription: −4.00 –0.75 ×30 Which row identifies the meaning of each number? Tick () one box. [1 mark] −4.00 −

  8. Q02.1

    June 2023 · Paper 3 Medical physics

    3 marks3.10.1 Physics of the eye
    The whole paper ↗
    June 2023 Paper 3 Medical physics, question 02.1: A particular screen is designed so that two dark pixels separated by one light pixel cannot be resolved as separate images by the eye when viewed from a distanc

  9. Q02.2

    June 2023 · Paper 3 Medical physics

    3 marks3.10.1 Physics of the eye
    The whole paper ↗
    June 2023 Paper 3 Medical physics, question 02.2: On a different electrophoretic screen, two dark pixels separated by one light pixel can just be resolved at a particular distance when the external light source

  10. Q02.3

    June 2023 · Paper 3 Medical physics

    1 mark3.10.1 Physics of the eye
    The whole paper ↗
    June 2023 Paper 3 Medical physics, question 02.3: The eye is illuminated by light of wavelength 603 nm. Show that the response of a red-sensitive cone is approximately double the response of a green-sensitive c

  11. Q02.4

    June 2023 · Paper 3 Medical physics

    3 marks3.10.1 Physics of the eye
    The whole paper ↗
    June 2023 Paper 3 Medical physics, question 02.4: Other types of screen use blue, green and red pixels to produce coloured images. Table 1 shows the wavelength of the light emitted by each pixel when it is turn

  12. Q01.1

    June 2022 · Paper 3 Medical physics

    1 mark3.10.1 Physics of the eye
    The whole paper ↗
    June 2022 Paper 3 Medical physics, question 01.1: Which eye condition could be corrected by using this lens? Tick () one box. [1 mark] astigmatism hypermetropia myopia

  13. Q01.2

    June 2022 · Paper 3 Medical physics

    3 marks3.10.1 Physics of the eye
    The whole paper ↗
    June 2022 Paper 3 Medical physics, question 01.2: Calculate the magnification produced by the +4.0D lens when viewing an object 75 cm from this lens. [3 marks] magnification =

  14. Q01.3

    June 2022 · Paper 3 Medical physics

    4 marks3.10.1 Physics of the eye
    The whole paper ↗
    June 2022 Paper 3 Medical physics, question 01.3: Figure 1 shows a diagram of an eye. Figure 1 State the name and primary optical function of X, Y and Z. [4 marks] Name of X Primary optical function of X Name o

  15. Q05.1

    November 2021 · Paper 3 Medical physics

    1 mark3.10.1 Physics of the eye
    The whole paper ↗
    November 2021 Paper 3 Medical physics, question 05.1: Which would be a correct lens prescription for a person with hypermetropia and astigmatism? Tick () one box. [1 mark] −2.00 +0.50 75 +2.00 −0.50 75 −2.00 +0.50

  16. Q05.2

    November 2021 · Paper 3 Medical physics

    6 marks3.10.1 Physics of the eye
    The whole paper ↗
    November 2021 Paper 3 Medical physics, question 05.2: A student views an object O and cannot see it clearly unaided. The student is diagnosed with myopia and is prescribed a suitable correcting lens. Using the corr

  17. Q01.1

    November 2020 · Paper 3 Medical physics

    5 marks3.10.1 Physics of the eye
    The whole paper ↗
    November 2020 Paper 3 Medical physics, question 01.1: State and explain two differences between the perceived image of a brightly coloured object in bright light and the perceived image of the same object when view

  18. Q01.2

    November 2020 · Paper 3 Medical physics

    1 mark3.10.1 Physics of the eye
    The whole paper ↗
    November 2020 Paper 3 Medical physics, question 01.2: What is the name of the process which occurs when the pirate’s eye is covered by the patch? Tick () one box. [1 mark] aberration accommodation adaptation adjus

  19. Q01.3

    November 2020 · Paper 3 Medical physics

    3 marks3.10.1 Physics of the eye
    The whole paper ↗
    November 2020 Paper 3 Medical physics, question 01.3: Discuss why it was necessary to wear the eye patch for 45 minutes before entering the ship. [3 marks]

  20. Q01.1

    June 2019 · Paper 3 Medical physics

    1 mark3.10.1 Physics of the eye
    The whole paper ↗
    June 2019 Paper 3 Medical physics, question 01.1: Identify the driver’s eye defect. Tick () one box. [1 mark] Astigmatism Hypermetropia Myopia
All 33 questions on Physics of the eye, as a list
  1. June 2025, Paper 3 Medical physics, Q01.1 (2 marks): Figure 1 shows a simplified diagram of an eye that has no sight defects. The eye is viewing a distant point object. Complete, on Figure 1, the paths of the two
  2. June 2025, Paper 3 Medical physics, Q01.2 (1 mark): Accommodation is the ability of the eye to change its optical power. Which part of the eye enables accommodation? Tick () one box. [1 mark] cornea iris lens Th
  3. June 2025, Paper 3 Medical physics, Q01.3 (4 marks): An eye of a typical 30-year-old person has a far point at infinity. The focal length of the eye when viewing an object at its far point is 23 mm. Calculate the
  4. June 2025, Paper 3 Medical physics, Q01.4 (2 marks): For a typical person, the far point remains at infinity as the person’s age increases. Some studies suggest that hypermetropia increases with age. Explain how F
  5. June 2024, Paper 3 Medical physics, Q01.1 (1 mark): A human eye has a far point of 6.0 m. State the name of this defect of vision. [1 mark]
  6. June 2024, Paper 3 Medical physics, Q01.2 (2 marks): Calculate the power of the correcting lens required for this eye. [2 marks] power = D
  7. June 2024, Paper 3 Medical physics, Q01.3 (1 mark): An eye with astigmatism requires the following prescription: −4.00 –0.75 ×30 Which row identifies the meaning of each number? Tick () one box. [1 mark] −4.00 −
  8. June 2023, Paper 3 Medical physics, Q02.1 (3 marks): A particular screen is designed so that two dark pixels separated by one light pixel cannot be resolved as separate images by the eye when viewed from a distanc
  9. June 2023, Paper 3 Medical physics, Q02.2 (3 marks): On a different electrophoretic screen, two dark pixels separated by one light pixel can just be resolved at a particular distance when the external light source
  10. June 2023, Paper 3 Medical physics, Q02.3 (1 mark): The eye is illuminated by light of wavelength 603 nm. Show that the response of a red-sensitive cone is approximately double the response of a green-sensitive c
  11. June 2023, Paper 3 Medical physics, Q02.4 (3 marks): Other types of screen use blue, green and red pixels to produce coloured images. Table 1 shows the wavelength of the light emitted by each pixel when it is turn
  12. June 2022, Paper 3 Medical physics, Q01.1 (1 mark): Which eye condition could be corrected by using this lens? Tick () one box. [1 mark] astigmatism hypermetropia myopia
  13. June 2022, Paper 3 Medical physics, Q01.2 (3 marks): Calculate the magnification produced by the +4.0D lens when viewing an object 75 cm from this lens. [3 marks] magnification =
  14. June 2022, Paper 3 Medical physics, Q01.3 (4 marks): Figure 1 shows a diagram of an eye. Figure 1 State the name and primary optical function of X, Y and Z. [4 marks] Name of X Primary optical function of X Name o
  15. November 2021, Paper 3 Medical physics, Q05.1 (1 mark): Which would be a correct lens prescription for a person with hypermetropia and astigmatism? Tick () one box. [1 mark] −2.00 +0.50 75 +2.00 −0.50 75 −2.00 +0.50
  16. November 2021, Paper 3 Medical physics, Q05.2 (6 marks): A student views an object O and cannot see it clearly unaided. The student is diagnosed with myopia and is prescribed a suitable correcting lens. Using the corr
  17. November 2020, Paper 3 Medical physics, Q01.1 (5 marks): State and explain two differences between the perceived image of a brightly coloured object in bright light and the perceived image of the same object when view
  18. November 2020, Paper 3 Medical physics, Q01.2 (1 mark): What is the name of the process which occurs when the pirate’s eye is covered by the patch? Tick () one box. [1 mark] aberration accommodation adaptation adjus
  19. November 2020, Paper 3 Medical physics, Q01.3 (3 marks): Discuss why it was necessary to wear the eye patch for 45 minutes before entering the ship. [3 marks]
  20. June 2019, Paper 3 Medical physics, Q01.1 (1 mark): Identify the driver’s eye defect. Tick () one box. [1 mark] Astigmatism Hypermetropia Myopia
  21. June 2019, Paper 3 Medical physics, Q01.2 (4 marks): Figure 1 shows the position of a number plate at a distance of 20.5 m in front of the driver’s unaided eye. Figure 2 shows the same situation and the position o
  22. June 2019, Paper 3 Medical physics, Q01.3 (5 marks): An optician considers the use of three different lenses, A, B and C, for use by the driver when driving. Power of A = ─2.18D Power of B = ─1.77D Power of C = +1
  23. June 2018, Paper 3 Medical physics, Q02.1 (4 marks): The fovea in a typical human eye consists of cones which have an average diameter of 1.5 × 10–6 m An eye looks directly at two point sources of light which are
  24. June 2018, Paper 3 Medical physics, Q02.2 (3 marks): Three types of cone are present at the fovea. On Figure 2 sketch and clearly label three curves to show how the relative light absorption of each type of cone v
  25. June 2017, Paper 3 Medical physics, Q01.1 (2 marks): Explain why the unaided defective eye cannot form a clearly focused image of the object placed 24 cm from the eye. [2 marks]
  26. June 2017, Paper 3 Medical physics, Q01.2 (3 marks): An object is placed 24 cm from the spectacle lens. Calculate the distance of the image formed from the spectacle lens. Give your answer to a suitable number of
  27. June 2017, Paper 3 Medical physics, Q01.3 (1 mark): What is the name for the position where the image is formed by the spectacle lens? Tick () the correct answer. [1 mark] The eye’s aided far point The eye’s aid
  28. June 2017, Paper 3 Medical physics, Q01.4 (3 marks): Draw a ray diagram to show how this spectacle lens forms an image of the object placed 24 cm from the spectacle lens. On your diagram clearly label the object,
  29. Specimen, Paper 3 Medical physics, Q01.1 (2 marks): State what is meant by the principal focus and the power of a converging lens. [2 mark 0 1 . 1
  30. Specimen, Paper 3 Medical physics, Q01.2 (2 marks): Complete the ray diagram below to show the formation of an image of a real object O by a diverging lens. Label the image clearly. [2 mark 0 1 . 2
  31. Specimen, Paper 3 Medical physics, Q01.3: State the defect of vision that would be corrected using a diverging lens. [1 mar 0 1 . 3
  32. Specimen, Paper 3 Medical physics, Q01.4 (2 marks): A diverging lens of focal length −0.33 m is used to view a real object placed 0.25 m from the lens. Calculate the distance from the lens to the image. [2 marks]
  33. Specimen, Paper 3 Medical physics, Q01.5 (2 marks): Two point sources of light are viewed by a normal eye and their images are formed at the fovea. State, in terms of the active receptors, the conditions necessar

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