If an electron is moving in the nth orbit of the hydrogen atom, then its velocity (v_{n}) for the nth orbit is given as :
 
Option: 1 v_{n}\; \alpha\; n
Option: 2 v_{n}\; \alpha\; \frac{1}{n^{2}}
Option: 3 v_{n}\; \alpha\; \frac{1}{n}  
Option: 4 v_{n}\; \alpha\; n^{2}

Answers (1)

We know the velocity of the electron in the shell of
the hydrogen atom is given by
\\ \mathrm{v}=\frac{2 \pi \mathrm{k} \mathrm{Ze}^{2}}{\mathrm{nh}} \\ \therefore \mathrm{v} \propto \frac{1}{\mathrm{n}}

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