Question

what will be the angle through which reflected ray will roatad if the incident ray is kept fixed and mirror is roated through an angle theta

Answer 1

When the mirror is tilted at an angle θ, the incident ray will fall on the mirror making an angle of 2θ with normal. as the incidnet angle is 2θ , the angle of relection will also be 2θ . refer the attachment for diagram

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