Angular momentum of an electron in the $n^{t h}$ orbit of hydrogen atom is given by :

\frac{n h}{2 π}

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n h

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\frac{2 π}{n h}

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\frac{π}{2 n h}

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Solution

The correct option is A $\frac{n h}{2 π}$
Angular momentum (mvr) of an electron in the $n^{t h}$ orbit of a hydrogen atom is given by $\frac{n h}{2 π}$ .
Thus, angular momentum is an integral multiple of $\frac{h}{2 π}$ and is quantized.

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