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O-LevelPhysicsLight5054/11 · May/June 2021 · Q211 Mark

Light refracts from a liquid into air as shown. The refractive index for light moving from air to the liquid is 1.4. What is the angle of incidence in the liquid?

Diagram for this question, from the exam paper

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A22°

B37°

C41°

D45°

✓ Correct answer

B: 37°

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About this question

Topic: Light, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2021 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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