Question

What is meant by spectrum of white light? How can we recombine the components of white light after a prism has separated them?

Answer 1

The coloured pattern VIBGYOR formed by a prism by splitting the incident white light is called a spectrum. By having two prisms, inverted to each other, one can recombine the light to get white light again.

Answer 2

Answer:

The coloured pattern VIBGYOR formed by a prism by splitting the incident white light is called a spectrum. By having two prisms, inverted to each other, one can recombine the light to get white light again.

Explanation:

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