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O-LevelPhysicsLight5054/12 · Oct/Nov 2017 · Q211 Mark

Light is incident on a plastic block of refractive index 1.5. The angle of incidence is 50°. What is the angle of refraction?

A31°
B33°
C40°
D75°

✓ Correct answer

A: 31°

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About this question

Topic
Light, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, Oct/Nov 2017 Paper 1 Variant 2, question 21.

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