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3.2.2 Refraction of light

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Question 39

Light is travelling through air. It strikes a plastic block at an angle of incidence of $40∘40^\circ$ . The plastic has a refractive index of 1.5.

What is the angle of refraction of the light as it enters the plastic?

A

$22∘22^\circ$

B

$25∘25^\circ$

C

$30∘30^\circ$

D

$74∘74^\circ$

Markscheme

3.2.2 Refraction of light Questions

IGCSE
Physics
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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