The 6563 overset(o)(A) line emitted by h...

The 6563 `overset(o)(A)` line emitted by hydrogen atom in a star is found to be red shifted by 5 `overset(o)(A)`. The speed with which the star is receding from the earth is:

`17.3 xx 10^(3)m//s`

`4.29 xx 10^(7) m//s`

`3.39 xx 10^(5) m//s`

`2.29 xx 10^(5) m//s`

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