Question

EER INSTITUTE
11
Aray of light falls on a plane mirror. When the
mirror is turned, about an axis which is at right
angle to the plane of the mirror through 20°
the angle between the incident ray and new
reflected ray is 45º. The angle between the
incident ray and original reflected ray was
therefore
(1) 65°
(2) 25° or 65°
(3) 25°
45°​

Answer 1

Answer:

65degree

Explanation:

65degree is a angle of the picture between incident Ray and original reflected Ray

Answer 2

(2) 25° or 65°

I am right...