Question

A ray of light is incident at an angle of 60° on one face of a prism of angle 30°. The ray emerging out of the prism makes an angle of 30° with the incident ray. The emergent ray is. Single choice.

Normal to the face through which it emerges

Inclined at 30° to the face through which it emerges

Inclined at 60° to the face through which it emerges

None of these​

Answer 1

Answer:

Normal to the face through which it emerges

Explanation:

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Answer 2

Normal to the face through which it emerges...

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