Question

J. Numerical Problems.
1 The incidence angle for a light ray is 45º -
Find the value of angle of reflection.

2. A light ray strikes a plane mirror at an
angle of 25° from the mirror surface. What
is the value of angle of incidence?​

Answer 1

Explanation:

1. angle of incidence =45 degree

by laws of reflection ,

angle of incidence = angle of reflection

there fore ,

angle of reflection =45 degree (ans )

2.incident ray = 25 degree

there fore ,

angle of incidence = 25 degree . (ans)

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