Physics, asked by shivam10, 1 year ago

A mirror is turned through 15°. By what angle will be reflected ray turn.

Answers

Answered by tinkertweet

When a mirror rotates through an angle θ a ray of light reflected from it will rotate through an angle of 2θ. So if a mirror is turned through 15°, the reflected ray will turn through 30°.

shivam10: But why rotate through an angle of 2theta

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