Question

wherever you may stand in front of mirror your image is always erect & same sized what type of mirror is it (a) a ray of light strikes the mirror at an angle 20° what is the angle of reflection (b) give the angle of incidence and reflection of normal incidence​

Answer 1

Explanation:

when the reflection is having the same angle than the incidence is also also having same angle Ray of light strike the mirror is 20 degree angle so that the reflection of angle is also 20 degree