Chapter: Light – Reflection and Refraction

If the radius of curvature of a concave mirror is 20 cm, then focal length...

The wavelength of which of the following is greater than that of visible light? (a)...

Dentists use (a) convex mirror (b) convex lens (c) concave mirror (d) concave lens

Is it possible to form a virtual image of shorter length than the length of...

Which type of mirror is used in the headlight of a motor car?

If the refractive indices of a medium for red and blue colours of light are...

Determine the angle of deviation for the refraction of light rays from rarer to denser...

A light is incident from air medium on another medium. If the refractive index of...

Draw refracted rays for the incident rays which are parallel to the principal axis of...

What is long-sightedness? What type of lens is used to remedy this defect? [2+1]