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Q.

According to second postulate of Bohr model, the angular momentum $(L_{n})$ of $n^{t h}$ possible orbit of hydrogen atom is given by:

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a

$\frac{h}{2 π n}$

b

$\frac{n h}{2 π}$

c

$\frac{2 π n}{h}$

d

$\frac{2 π}{n h}$

answer is B.

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Detailed Solution

Angular momentum, $L_{n} = m v r = \frac{n h}{2 π}$

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