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Devices Made Using Plane Mirrors

If a ray of l...

Question

If a ray of light is incident on a plane mirror at an angle of 30º with the mirror, what will be the angle of reflection?

A

45º

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B

30º

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C

60º

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D

90º

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Solution

The correct option is C 60º
As the ray of light is incident on a plane mirror at an angle of 30º with the mirror, the angle of incidence is 60º. So, according to the law of reflection, the angle of reflection will also be 60º.

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