A ray is incident at `30^(0)` angle on plane mirror.What will be deviation after reflection from mirror ?

Two plane mirrors are inclined to each other with their reflecting daces making acute angle. A light ray is incident on one plane mirror. The total deviation after two successive reflections is :

In a reflecting periscope , if a light ray is incident at 45^(@) angle at the first plane mirror, then the angle of deviation of light ray by the periscope is ______ .

P is small angled prism of angle 3^(@) made of a material of refractive index 1.5 . A ray of light is incident normally to the mirror as shown in figure. M is a plane mirror. The angle of deviation for the ray reflected from the mirror M with respect to the incident ray is :

A ray is incident at an angle 40^@ with a mirror. The angle between the normal and reflected ray is

A ray of light is incident at an angle of 35^@ on a plane mirror. What is the angle between the incident and the reflected rays ?

A prism having an apex angle 4^(@) and refractive index 1.5 is located in front of a vertical plane mirror as shown in figure. Through what total angle is the ray is deviated after reflection from the mirror ?

A ray is incident at an angle 38^(@) an a mirror. The angle between normal and reflected ray is

Two plane mirrors are inclined at 70^@ . A ray incident on one mirror at incidence angle theta after reflection falls on the second mirror and is reflected from there parallel to the first mirror, The value of theta is