AQA Physics Unit 3 Module 1 The eye

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1. What is the distance from the centre of the lens to the principal focus called?

  • The focal distance
  • The focal length
  • The principal distance
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2. What makes a lens flatter and thinner?

  • Lower refractive index
  • Higher refractice index
  • More of a curve on the lens

3. What type of lens helps someone that is short sighted?

  • Biconvex lens
  • Concave lens
  • Convex lens

4. What is the cornea?

  • A transparent layer that protects the eye and helps to focus light onto the retina
  • Changes shape to focus light onto the retina
  • the light sensitive cells around the inside of the cells

5. What carries nerve impulses from the retina to the brain?

  • The optic nerve
  • The pupil
  • The cornea
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Miss KHP

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This is for students studying GCSE Physics (4603)

This specification is for centres outside England and can be sat in modules.

Take a quiz and test yourself. You may like to do it a few times until practice makes perfect.

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