Question

the scientist who discovered that white is composed of 7 colors​

Answer 1

Answer:

Isaac Newton.

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.

Answer 2

Answer:

that scientist was none other than Sir Isaac Newton.

He discovered it in 1660s, when he had done an experiment with sunlight and prism ..

hope u got...