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In Bohr's model of the H-atom the ratio ...

In Bohr's model of the H-atom the ratio between the period of revolution of an electron in the orbit n=1 to the period of revolution of the electron in the orbit n=2 is

A

`8`

B

`1/6`

C

`1/8`

D

`1/9`

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The correct Answer is:
C
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