A light ray I is incident on a plane mirror M. The mirror is rotated in the direction as shown in the figure by an arrow at freuqency `9//pi` rps. The light reflected by the mirror is received on the wall W at a distance 10 m from the axis of rotation. When the angle of incidence becomes `37^(@)`, the speed of the sopt (a point) on the wall is

A light ray I is incident on a plane mirror M .The mirror is rotated in the direction as shown in the figure by an arrow at frequency (9)/(pi) "rev"//"sec" ,The light reflected by the mirror is received on the wall W at a distance 10m from the axis of rotation .When the angle of incidence becomes 37^(@) find the speed of the spot (a point) on the wall?

A light ray I is incident on a plane mirror M .The mirror is rotated in the direction as shown in the figure by an arrow at frequency (9)/(pi) "rev"//"sec" ,The light reflected by the mirror is received on the wall W at a distance 10m from the axis of rotation .When the angle of incidence becomes 37^(@) find the speed of the spot (a point) on the wall?

A light ray I is incident on a plane mirror M .The mirror is rotated in the direction as shown in the figure by an arrow at frequency (9)/(pi) "rev"//"sec" ,The light reflected by the mirror is received on the wall W at a distance 10m from the axis of rotation .When the angle of incidence becomes 37^(@) find the speed of the spot (a point) on the wall?

A light ray is incident normally on a plane mirror. The angle of reflection will be

A ray of light is incidenting normally on a plane mirror. The angle of reflection will be

When a light ray is incident normally on a mirror. What is its angle of reflection ?

When a ray of light is incident normally on a plane mirror then the angle of reflection will be

A light ray is incident on a rotating mirror, which is rotating with angular speed 3rad//s as shown in figure. The speed of bright spot on the wall when theta=30^(@)