Question Bank

What is the relation between the focal length (f) and the radius of curvature (R) of a spherical mirror?

The phenomenon of bending of light when it passes from one medium to another is called:

The point on the principal axis where parallel rays of light meet after reflection from a concave mirror is called:

Which color of light deviates the least when passing through a prism?

What type of lens is used to correct Myopia (Short-sightedness)?

The S.I. unit of power of a lens is:

An object is placed at the center of curvature of a concave mirror. The position of the image is:

What is the nature of the image formed by a plane mirror?

Which of the following materials has the highest refractive index?

The change in direction of a ray of light when it enters from a rarer medium to a denser medium is:

The splitting of white light into its seven constituent colors is called:

The image formed on the retina of a human eye is:

What is the power of a lens having a focal length of 0.5 meters?

The center of the reflecting surface of a spherical mirror is called:

For a normal human eye, the least distance of distinct vision is:

Which mirror can produce a real and magnified image?

Light travels in a:

What color does a red rose appear in green light?

A convex lens is also known as a:

The unit of refractive index is: