Question

what is rectilinear propagation of light ...
come to my question ...​

Answer 1

Light always travels in a straight line. This property of light is called rectilinear propagation of light.

Answer 2

Answer:

Rectilinear Propagation of Light is the tendency of light to travel in straight Lines. In a homogeneous transparent medium light travels in a straight line and this is known as rectilinear propagation of light. examples: Sun rays entering a dark room through a small opening appear to travel in a straight line.