Question

find theta such that the reflected ray after all reflection becomes horizontal​

Answer 1

When a plane mirror is rotated through an angle θ, the reflected ray turns through the angle 2θ. But the size of the image remains unaffected only position changes

Answer 2

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Explanation:

When a plane mirror is rotated through an angle θ, the reflected ray turns through the angle 2θ. But the size of the image remains unaffected only position changes.

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