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It is believed that the universe is expa...

It is believed that the universe is expanding and hence the distant stars are receding from us. Lght from such a star will show

A

shift in frequency towards longer wavelength

B

shift in frequency towards shorter wavelength

C

No shift in frequency but a decrease in intensity

D

A shift in frequency sometimes towards longer and sometimes towards shorter wavelength

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The correct Answer is:
A
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