If a mirror is rotated at an angle of 45 degree then at what angle will the reflected ray be rotated

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Jeffrey L.

Physics 101 Mechanics

6 months ago

We don’t have your requested question, but here is a suggested video that might help.

A ray of light strikes a plane mirror at a $45^{\circ}$ angle of incidence. The mirror is then rotated by $15^{\circ}$ into the position shown in red in the drawing, while the incident ray is kept fixed. (a) Through what angle $\phi$ does the reflected ray rotate? (b) What is the answer to part (a) if the angle of incidence is $60^{\circ}$ instead of $45^{\circ} ?$