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When the electron jumps from a level n=4...

When the electron jumps from a level `n=4` to `n=1`, momentum of the recoiled hydrogen atom will be

A

`6.8xx10^(-27)kg xx m//s`

B

`13.6xx10^(-19)kg xx m//s`

C

`13.75xx10^(-19) kg xx m//s`

D

Zero

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The correct Answer is:
D
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