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An electron of hydrogen atom is revolvin...

An electron of hydrogen atom is revolving in third bohr's orbit `(n=3)`.How many revolutions will it undergo before making a transition to the second orbit `(n=2)`.Assume the average life time of an excited state of the hydrogen atom is of the order of `10^(-8)`s.(Given,Bohr radius=`5.3times10^(-12)m`)

A

`2.5times10^(6)`revolutions

B

`3.5times10^(6)`revolutions

C

`4.5times 10^(6)`revolutions

D

`1.5times10^(6)`revolutions

Text Solution

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The correct Answer is:
A
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