Question #91173
A fixed incident ray strikes a plane mirror at an angle of incident of 15°. The mirror is then rotated through an angle of 20°. Determine the angle between the incident and reflected rays.
1
Expert's answer
2019-06-27T09:26:49-0400

The angle between the incident and reflected rays is equal to

2×15°-2×20°=-10°


Answer:

10°


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