Reflection Test...

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 a frequency 9 / π rev / sec. 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^o, find the speed of the spot (a point) on the wall?

An object is moving towards a concave mirror of focal length 24 cm. When it is at a distance of 60 cm from the mirror its speed is 9cm/s, the speed of its image at that instant is :

In the figure shown a thin parallel beam of light is incident on a plane mirror m₁ at small angle 'θ'. m₂ is a concave mirror of focal length 'f '. After three successive reflections of this beam the x and y coordinates of the image is :

The focal length of a concave mirror is f and the distance from the object to the principal focus is x. The ratio of the size of the image to the size of the object is :

A rear mirror of a vehicle is cylindrical having radius of curvature 10 cm. The length of arc of curved surface is also 10 cm. If the eye of the driver is assumed to be at a large distance from the mirror, then the field of view in radians is

An object 0.5 cm high is placed 30 cm from a convex mirror whose focal length is 20 cm. Find the position, size and nature of the image.

In the figure shown, the image of a real object is formed at point I. AB is the principal axis of the mirror. The mirror must be:

Two plane mirrors A and B are aligned parallel to each other, as shown in fig. A light ray is incident at an angle of 30^o at a point just inside one end of A. The plane of incidence coincides with the plane of the figure. The maximum number of times the ray undergoes reflection (including the first one) before it emerges out is:

An object O is placed in front of a plane mirror. A person looks into the mirror as shown. At what position is the image of O is observed by person?

An object is placed in front of a convex mirror at a distance of 50 cm. A plane mirror is introduced covering the lower half of the convex mirror. If the distance between the object and the plane mirror is 30 cm, it is found that that is no parallax between the images formed by the two mirrors. What is the radius of curvature of the convex mirror?