Question

A ray of light is incident on a plane mirror at an angle of reflection 60°, the deviation produced by the mirror is

Answer 1

Answer:

we know that angle of incident is equal to the angle of reflection , deviation between the incident ray and reflected ray will be 60 °+ 60° = 120°

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Answer 2

Answer:

Angle of deviation = 2* the glance angle.

So ,

Angle of deviation = 2*60

Angle of deviation= 120 °

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