Question

define these terms:-
1.Ray of light
2. Beam of light
3.Lumnious object
4.Rectilinear propogation of light
5. Non luminous objects
6.Medium​

Answer 1

1. A light ray is a line (curved or straight)that is perpendicular to the light's wavefronts.
2. A beam of light is a directional projection of light energy radiating from a light source.
3. Objects that can emit light energy themselves are known as luminous objects.
4. Rectilinear propagation of light describes the tendency of electromagnetic waves to travel in a straight line.
5. Objects that can not emit light themselves.
6. A substance that makes possible the transfer of energy from one location to another, especially through waves.

Answer 2

Answer:

yes I'll become your friend

I also don't have any good friend

(°_°)