Question

14.
In the diagram, a ray of light is incident on a plane mirror at an angle of 30°. Calculate the new
incidence if the mirror is rotated through 100.
(A)3
30
Direction
of
Rotation
Wh
(1)
(
(A) 100
(B) 200
(C) 60°
(D) 70°​

Answer 1

Answer:

question is wrong I think or may be I can't understand it..

it would be easy if you give is image..