Which colour of light is obtained when we mix beams of light of all seven colours of a rainbow?

Blue

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Green

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Red

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White

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Solution

The correct option is D White
When white light is passed through a prism, it splits into seven different colours namely, red, orange, yellow, green, blue, indigo and violet (rainbow also have these seven colours).
If we do the reverse, that is mixing the beams of light of all these seven colours, will result in formation of white light.

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