Question

definition of prism ​

Answer 1

A triangular shape of glass structure by which when light is pass through it the lights became in seven colours.

the seven colours name are as follows :-

Violet

Indigo

Blue

Green

Yellow

Orange

Red

This is according to it's wavelength and lowest wavelength is Violet and Highest is Red.

Answer 2

Hi ananya

Prism:-

The two ends of the prism are equal ,similar and their sides are parallelogram

It is a polyhedron with two polygonal faces lying in parallel planes

When white light is sent into it it gives

violet

indigo

blue

green

yellow

orange

red

And it is remembered as VIBGYOR

Hope this help you friend