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3.2.2 Refraction of light

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Question 27

Light travels in a vacuum and then enters a transparent plastic block. The speed of light in the plastic block is 1.5 × 108 m/s.

Which statement about the speed of light is correct?

A

The speed in a vacuum is 2.02.02.0 times the speed in the plastic.

B

The speed in the plastic is 2.02.02.0 times the speed in a vacuum.

C

The speed in the plastic is the same as the speed in a vacuum.

D

The speed in a vacuum is 1.5×1081.5 \times 10^81.5×108 times the speed in the plastic.

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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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