Differences between a Convex Lens and a Concave Lens

Author:V K Sally & S K Aggarwal
7th CBSE
IMPORTANT

Important Questions on Differences between a Convex Lens and a Concave Lens

EASY
IMPORTANT

Name a lens which always forms virtual and diminished image.

EASY
IMPORTANT

Name the lens in which parallel rays of light on passing through it, meet at a point. (Write convex or concave)

EASY
IMPORTANT

A lens which is thicker in the middle and tapering at the edges is called a convex lens.

EASY
IMPORTANT

A _____ lens is thicker in the middle and tapering at the edges.

EASY
IMPORTANT

How will you distinguish between a convex lens and a concave lens by feeling with your finger?

EASY
IMPORTANT

Concave lens is also called diverging lens, because:

EASY
IMPORTANT

 The convex lens is sometimes called a converging lens, because: