Question

What are the two every day sitatutions that tell you that light travels in a staright line answers

Answer 1

Answer:

straight line propagation of light is also called rectilinear propogation of light.

Explanation:

example 1: light is an electro magnetic wave and so is a laser.

if you switch on a laser and point it towards and object the light is observed perpendicular to your direction which means it is traveling in a straight line

2. sun rays are also light rays and they travel in a straight line from the sun and they get reflected, refracted and diffracted due to various particles in their path

Answer 2

Explanation:

1. when some object is put in the path of light, a straight line is created between the shadow and direction of light. this clearly proves that light propagates in a straight path

2. also when we use torches, the same thing happens