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The speactral line emitted by a star, ha...

The speactral line emitted by a star, has a wavelength of 6800 Å when observed form a Speed of star in the line of light relative to earth for receding or approach is given by

A

`2.42 xx 10^5 ms^(-1)` receding

B

`4.64 xx 10^6 ms^(-1)` receding

C

`6.86 xx 10^6 ms^(-1)` receding

D

`8.70 xx 10^5 ms^(-1)` receding

Text Solution

Verified by Experts

The correct Answer is:
D
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