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1 markRefraction

CSEC Physics · 1989 · Paper 2 · Question 2(c)(ii)

The functioning of the human eye depends on refraction.

Explain why the amount of refraction at one of the two parts is much greater than that at the other.

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Other parts of this question

  1. 2(a)(i)Find the refractive index of the glass for these waves. Clearly show on the diagram (Figure 2) all measurements made.[4 marks]
  2. 2(a)(ii)What is the value of the angle of incidence for these wavefronts?[1 mark]
  3. 2(b)(i)Calculate the refractive index of water.[3 marks]
  4. 2(b)(ii)Draw a wavefront diagram to represent this refraction at an air-water boundary. (Your diagram need not be to scale.) Mark on the diagram the size of the angle…[5 marks]
  5. 2(c)(i)Name the TWO parts of the eye where refraction takes place.[2 marks]

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