Rectilinear Propagation of Light

Author:K K Gupta & Stalin Malhotra
7th CBSE
IMPORTANT

Rectilinear Propagation of Light: Overview

The topic deals with rectilinear propagation of light. It also demonstrates with an experimental activity that light travels in a straight line.

Important Questions on Rectilinear Propagation of Light

EASY
IMPORTANT

Light travels in a parabola path.

EASY
IMPORTANT

Give reasons for the following.
Light cannot be seen through a bent pipe.

EASY
IMPORTANT

With the help of an experiment, prove that light always travel in a straight line.

EASY
IMPORTANT

What is meant by rectilinear propagation of light?

MEDIUM
IMPORTANT

Formation of shadows suggests that light travels in