If an electron is moving in the nth orbit of the hydrogen atom, then its velocity (vn) for the nth orbit is given as :

Question

If an electron is moving in the n^th orbit of the hydrogen atom, then its velocity (v_n) for the n^th orbit is given as :

${v_n} \propto {1 \over n}$

v_n $ \propto $ n²

v_n $ \propto $ n

${v_n} \propto {1 \over {{n^2}}}$

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