Question

7. White light is composed of three colours.​

Answer 1

Answer:

7 colours they are Seven colors constitute white light: red, orange, yellow, green, blue, indigo, and violet.

Explanation:

Through his experiments with prisms, he was the first to demonstrate that white light is composed of the colors of the spectrum. Seven colors constitute white light: red, orange, yellow, green, blue, indigo, and violet.

Although Newton understood that a beam of light of a particular colour is always deviated by the same amount, he did not appear to understand why this is so.

Answer 2

Answer:

red,blue, green,

Explanation:

our LED monitors and TV use red,blue and green lights to create white light.

three colors white nearly exist in digital world not in natural world or maybe exist