Question

light travels in a straight line explain with an example​

Answer 1

Answer:

Two experiments are used to demonstrate how light travels in straight lines. In the first example, the presenter arranges three pieces of card, with holes in, in an uneven line. The light stops and cannot travel through all three cards. When she arranges the holes in a straight line, the light can travel through.

happy to help!!!

Answer 2

Answer:

2 experiment are used to demonstrate how lights travels in straight lines in the first example the presenter arrange three prizes of card, with holes in,in an univin line .the light stops on cannot travel through all three cards when so arrange the holes in a straight line, the light can travel through.