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Nature of Electromagnetic Radiation

When a source...

Question

When a source of light is receding away from an observer, then the spectral lines will get displaced towards

A

violet region

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B

red region

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C

ultra region

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D

blue region

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Solution

The correct option is B red region
When an object moves away from us, its light waves are stretched into lower frequencies or longer wavelengths, and we say that the light is redshifted. It also explain the expanding nature of universe.
Shifting towards red end means wavelength is increasing.

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