A ray of light falls on a plane mirror at an angle of 35° with the mirror surface. What is the angle of reflection?

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A 35
B 55
C 75
D 90

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Answer: B. 55

The angle of incidence is measured from the normal (perpendicular) to the mirror.

Given angle with the mirror surface = 35degree. Angle of incidence = 90 - 35 =55 degree.

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A ray of light falls on a plane mirror at an angle of 35° with the mirror surface. What is the angle of reflection?

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