Question

A plane mirror reflecting a ray of incident light is rotated through an angele theeta about an axis then​

Answer 1

Answer:

The reflected ray rotates through an angle 2θ. ... So the ray of light is reflected at an angle theta about the Normal. Hence the total angle becomes: theta(angle between the incident ray and normal) + theta ( angle between the normal and the reflected ray)=2*theta.

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Answer 2

Answer:

Explanation:The reflected ray rotates through an angle 2θ. ... So the ray of light is reflected at an angle theta about the Normal. Hence the total angle becomes: theta(angle between the incident ray and normal) + theta ( angle between the normal and the reflected ray)=2*theta.