Refraction is the change in direction of light when it passes from one medium to another. The working of a lens is based on the refraction of light when they pass through it. Lens is a transparent ...

In a ray diagram, a concave lens is drawn as a vertical line with inward facing arrows to indicate the shape of the lens.

NCERT Solutions for Class 10 Light - Reflection and Refraction: NCERT books are considered the best source for preparation of theoretical concepts and making the basics strong. The questions provided ...

Biconvex lenses also known as double convex lenses are simple optical lenses with two convex spherical surfaces, surfaces which bulge out from the center. These two convex surfaces have the same ...

Here’s a lot of tough questions you could expect in the Class 12 physics paper. a) The question arises on how to place an object behind the mirror as the centre of curvature of a convex mirror is ...

A double-convex lens is compose of two convex surfaces, has a positive focal length. Normally Bi-Convex lenses are most suitable where the object and image are on opposite sides of the lens, and are ...