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  4. What is the angular momentum of an electron in the fourth orbit of Bohr’s model of hydrogen atom?

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Q. What is the angular momentum of an electron in the fourth orbit of Bohr’s model of hydrogen atom?

VITEEEVITEEE 2006

Solution:

Angular momentum in any stationary orbit
is mvr = $\frac{nh}{2\pi}$for 4$^{th}$orbit,n=4
$\Rightarrow $ mvr v = $\frac{4h}{2\pi}$