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^(@)`

A small pulse is generated on a ring rotating with constant angular velocity omega as shown in the figure. Then the speed of pulse with respect to ground.

A small pulse is generated on a ring rotating with constant angular velocity omega as shown in the figure. Then the speed of pulse with respect to ground.

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?

Figure shows a plane mirror onto which a light rays is incident. If the incident light ray is rotated by 10^(@) and the mirror by 20^(@) , as show in figure below, find the angle by which the reflected ray is rotated.

A mirror is placed at the centre of a sphere and it is rotating with an angular speed omega . Incident light falls on the mirror at the centre of the sphere. Find out the linear speed of the light spot on the sphere?

A mirror is placed at the centre of a sphere and it is rotating with an angular speed omega . Incident light falls on the mirror at the centre of the sphere. Find out the linear speed of the light spot on the sphere?

A ray of light is incident on the plane mirror at rest. The mirror starts turning at a uniform angular acceleration of pi rad s^(-2) . The reflected ray at the end of 1/4 s must have turned through

A spot light S rotates in a horizontal plane with a constant angular velocity of 0.1 rad // s. The spot of light P moves along the wall at a distance 3m. What is the velocity of the spot P when theta=45^(@) ?