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The period of revolution of an electron in the ground state of hydrogen atom is T.The period of revolution of the electrin in the third excited state is how much a)121T b)81T c)64T d)8T

The period of revolution of an electron in the ground state of hydrogen atom is T.The period of revolution of the electrin in the third excited state is how much 
a)121T
b)81T
c)64T
d)8T

Grade:11

1 Answers

Varon
510 Points
6 years ago
HI ekanath,
see time period is directly proportinal to its cube of uts radius so they are asking 3 excited state so 3cube so 81T is the answer

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