GEOMETRICAL OPTICS OBJECTIVE PHYSICS A ray of light strikes

Last updated: 6/9/2023

GEOMETRICAL OPTICS OBJECTIVE PHYSICS A ray of light strikes a plane mirror at an angle of incidence 450 as shown in the figure After through which the mirror should be rotated if the total deviation of the ray is to be 90 is a 10 clockwise b 10 anticlockwise c 20 clockwise d 20 anticlocwise 90