Question

A ray of light hits a mirror and is reflected. If the mirror rotates by an angle 10° in one direction, then the reflected ray will rotate by

A 10° Correct Answer Incorrect Answer
B 20° Correct Answer Incorrect Answer
C Correct Answer Incorrect Answer
D 15° Correct Answer Incorrect Answer

Solution

If the plane mirror is rotated by 10 degrees in clockwise direction, then the angle between the incident and reflected rays increases by 20 degrees.

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