O-LevelPhysicsLight5054/12 · May/June 2015 · Q261 Mark
A ray of light is incident on the surface of a glass block, as shown in the diagram below. The refractive index of the glass is 1.5. The light ray changes direction when entering the glass. What is the angle x through which the ray moves?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
A30°
B28°
C17°
D15°
✓ Correct answer
C: 17°
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