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3.2.2 Refraction of light

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Question 16

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

The critical angle for light in a certain type of glass placed in air is 35∘35^\circ35∘.

What is the speed of light in this glass?

A

1.4×108 m/s1.4 \times 10^8 \text{ m/s}1.4×108 m/s

B

1.7×108 m/s1.7 \times 10^8 \text{ m/s}1.7×108 m/s

C

2.1×108 m/s2.1 \times 10^8 \text{ m/s}2.1×108 m/s

D

2.5×108 m/s2.5 \times 10^8 \text{ m/s}2.5×108 m/s

Markscheme

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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