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3.2.2 Refraction of light

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Question 33

The speed of light in air is 3.0 × 108 m s-1.

The critical angle for light in a transparent glass block placed in air is 54∘54^\circ54∘.

What is the speed of light in the glass block?

A

1.8×108 m s−11.8 \times 10^8 \text{ m s}^{-1}1.8×108 m s−1

B

2.4×108 m s−12.4 \times 10^8 \text{ m s}^{-1}2.4×108 m s−1

C

3.7×108 m s−13.7 \times 10^8 \text{ m s}^{-1}3.7×108 m s−1

D

5.1×108 m s−15.1 \times 10^8 \text{ m s}^{-1}5.1×108 m s−1

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3.2.2 Refraction of light Questions

  1. IGCSE
  2. /Physics
  3. /3.2.2 Refraction of light

100 exam-style questions on CIE IGCSE Physics 3.2.2 Refraction of light. Each one has a worked solution and a mark scheme showing where the marks go.

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