Physics WAEC

When a ray of light is incident normally on an air- glass interface, its angle of refraction is?
When a ray of light is incident normally on an air- glass interface, its angle of refraction is?When a ray of light is incident normally on an air- glass interface, its angle of refraction is?

A. 0°
B. 42°
C. 45°
D. 60°
E. 90°

Correct Answer:

Option A – 0°

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5 years ago

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