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O-LevelPhysicsLight5054/11 · May/June 2015 · Q241 Mark

A ray of light travels from X to Y along an optical fibre. The angle of incidence at Y is greater than the critical angle. In which direction does the ray of light travel after reaching point Y?

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AA

BB

CC

DD

✓ Correct answer

C: C

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About this question

Topic: Light, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2015 Paper 1 Variant 1, question 24.

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