Physicsmedium · Past Paper
A ray of light enters from glass (n=1.5) to water (n=1.33). The ray will:
ABend towards the normal
BBend away from the normal
CGo straight
DBe totally reflected regardless of angle
✓ Correct Answer: B — Bend away from the normal
Since water is optically rarer than glass, the light ray speeds up and bends away from the normal line.
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