An electron is moving in an orbit of a h...

An electron is moving in an orbit of a hydrogen atom from which there can be a maximum of six transition. An which there can be a maximum of three transition. Find ratio of the velocities of the electron in these two orbits.

A

`1/2`

B

`2/3`

C

`5/4`

D

`3/4`

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The correct Answer is:

D

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