Question

A Ray of light incident on mirror at an angle of 25 degree falls on mirror be after reflection the angle of reflection for the reflected from mirror be would be

a)25°
b)65°

c)50°
d) 115°


explain with reason

Answer 1

hey sis the correct answer is 25 degree
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Answer 2

Given:

The angle of incidence of the light ray at mirror A = 25°.

To find:

The angle of reflection of the ray from mirror B.

Solution:

The ray which falls on mirror A at an angle of 25° will get reflected by the same angle of 25° and reaches mirror B.

Since the two mirrors are placed with an angle of 90° between them, the angle of incidence at mirror B will be 90° - 25° = 65°. The angle of incidence is equal to the angle of refraction.

Hence, the angle of reflection of the ray from mirror B is 65°.