A sound wave makes an angle `30^(@)` with the reflecting surface. The angle of reflection is _______.

The direction of an incident sound wave makes an angle of 30^(@) with the normal of a reflecting surface The reflected sound wave makes an angle of _______ with the normal.

A light ray is incident on a plane mirror making an angle of 90^(@) with the mirror's surface. The angle of reflection of the light is _______ .

If a ray of light incident on a plane mirror is such that it makes an angle of 30^@ with the mirror, then the angle of reflection is

A ray of light is incident on a reflecting surface making an angle 50^(@) with the surface. Due to reflection, the angle of deviation is

If a light ray incident on a plane mirror makes an angle 30^(@) with it, find the angle of incidence and angle of reflection.