A ray of light parallel to the principal axis of a spherical mirror falls at a point M as shown in the figure,If focal length of the mirror is 10cm, what is the distance CF in the figure?

A ray of light parallel to the principal ads of a spherical mirror falls at a point M as shown In the figure.Identify the type of the mirror used in the diagram

A ray of light parallel to the principal ads of a spherical mirror falls at a point M as shown In the figure.If the mirror is immersed in water its focal length will be

A ray of light parallel to the principal axis of a concave mirror falls at a point M. If focal length of the mirror is 10cm, what is the distance CF ?

A ray of light parallel to the principal axis of a spheri cal mirror falls at a point M as shown in the figure,Complete the ray diagram and mark the angle of incidence and angle of reflection

Two lenses L_1 and L_2 are placed in contact as shown in figures. The focal length of each lens is 10cm.What is power of L_1

The variation of potential with distance R from a fixed point is as shown in the figure. The electric field at R = 5 m is