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If an electron in a hydrogen atom jumps ...

If an electron in a hydrogen atom jumps from the `3^(rd)` orbit to the `2^(nd)` orbit, it emits a photon of wavelength 2. When it jumps from the 4 orbit to the 3 orbit, the corresponding wavelength of the photon will be

A

`16/25lamda`

B

`9/25 lamda`

C

`20/7lamda`

D

`20/13lamda`

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