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The speed of the electron in the first o...

The speed of the electron in the first orbit is `2.182 xx 10^(6) m//s`, the speed of electron in the third orbit is

A

`2.182 xx 10^(6) m//s`

B

`2.182 xx 10^(4) m//s`

C

`7.273 xx 10^(5) m//s`

D

`7.273 xx 10^(4) m//s`

Text Solution

Verified by Experts

The correct Answer is:
C
`v_(n)=v_(1)/n" ":. v_(3)=(2.182xx10^(6))/3`
`=7.273xx10^(5)` m/s
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