Question

how can we combine the components of white light after a prism has separated then draw a diagram to illustrate it
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Answer 1

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.

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Answer 2

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Refer The Image ⤴️

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.