Question

define ray and beam​

Answer 1

Step-by-step explanation:

Ray of light: The direction or path along which, light energy travels in a medium is called a ray of light. It is represented by a straight line with an arrow marked on it.

Beam of light: A group of light rays is called a beam of light. A beam of light may be parallel, convergent or divergent.

Hope it helps you ❤❤

Answer 2

Answer:

A convergent beam of light: Light rays comes together (converges) after reflection and refraction at a single point known as the focus.

Divergent beam of light : Light rays from a point source of light travel in all directions, moving away with time. Such a beam of light is called a divergent beam of light.

Parallel beam of light: A parallel beam of light is light that is parallel to each other when coming from the source of light.

please mark me as a brainlist answer.......