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Transmission of Wave

When a source...

Question

When a source emits light of particular wavelength and the source is moving away from us, the wavelength appears ____________.

A

Longer

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B

First longer and then shorter

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C

Unaltered

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D

Shorter

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Solution

The correct option is A Longer
When a source emits light of particular wavelength and the source is moving away from us, the wavelength appears longer .As the source moving wavelength becomes longer.

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