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star emitting light of wavelength 5896 Å...

star emitting light of wavelength `5896 Å` is moving away from the earth with a speed of 3600 km / sec . The wavelength of light observed on earth will
(`c= 3 xx 10 ^(8) m//sec` is the speed of light)

A

Decrease by 5825.25 `overset(o)(A)`

B

Increase by 5966.75 `overset(o)(A)`

C

Decreaseby 70.75`overset(o)(A)`

D

Increaseby 70.75`overset(o)(A)`

Text Solution

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The correct Answer is:
4
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