Question

The  angle  of  incidence  between  the  plane  of  a  mirror  and  light  ray  is  45º.  The  angle
of  reflection  is  _________.
A)  30º B)  45º

C)  60º D)  90º

Answer 1

option b is correct as 90-45=45 which is angle of incidence is equal to angle of reflection

Answer 2

The angle of incidence between the plane of a mirror and light ray is 45º. The angle of reflection is
 B) 45º
 angle of incidence is equal to angle of reflection