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When in hydrogen like ion, electron jump...

When in hydrogen like ion, electron jumps from n = 3, to n = 1, the emitted photon has frequency `2.7 xx 10^(15)Hz`. When electron jumps from n = 4 to n = 1, the frequency is

A

`1.6 xx 10^(15)Hz`

B

`2.8 xx 10^(15)Hz`

C

`6.4 xx 10^(15)Hz`

D

`4.8 xx 10^(15)Hz`

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The correct Answer is:
B
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