Radius of the Bohr orbit of hydrogen ato...

Radius of the Bohr orbit of hydrogen atom is 0.53 Å . What will be the velocity of the electron in the second quantum state? Given, mass of electron =`9.1xx10^(-31) kg and e=1.6 xx10^(-19) C`.

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The correct Answer is:

`1.1xx10^(8) cm *s^(-1)`

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