A ray of light strikes a plane mirror so that the reflected ray makes 20 degrees with the incident ray. the mirror is now turned 15 degrees. what are the incident and Reflection angle??
A concave mirror and a convex mirror of same focal lenght are mounted co-axially with their reflecting faces facing each other, separated by 60 cm distances. A point is placed midway between two mirrors. If the reflection takes place at concave mirror and then at convex mirror , find the...