The first line of the lyman series in a ...

The first line of the lyman series in a hydrogen spectrum has a wavelength of 1210 Å. The corresponding line of a hydrogen like atom of `Z=11` is equal to

A

4000 Ã…

B

100 Ã…

C

40 Ã…

D

10 Ã…

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The correct Answer is:

D

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