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3 marksRefraction

CSEC Physics · 1989 · Paper 2 · Question 2(b)(i)

Light is incident at 60° at an air-water boundary and is refracted at 40°, as shown in Figure 3.

Calculate the refractive index of water.

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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)(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]
  4. 2(c)(i)Name the TWO parts of the eye where refraction takes place.[2 marks]
  5. 2(c)(ii)Explain why the amount of refraction at one of the two parts is much greater than that at the other.[1 mark]

More practice: the rest of this paper · more Refraction questions · all CSEC Physics past papers