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O-LevelPhysicsLight5054/11 · Oct/Nov 2015 · Q211 Mark

A ray of light in a transparent medium of refractive index 1.8 is incident on the surface as shown. The light enters air. What is the angle between the refracted ray and the normal in air?

Diagram for this question, from the exam paper

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A29°

B33°

C54°

D64°

✓ Correct answer

D: 64°

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About this question

Topic: Light, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2015 Paper 1 Variant 1, question 21.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

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