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according to bohr s theory the angular momentum fo
Question:
According to Bohr?s theory, the angular momentum for an electron of
$3rd$
orbit is
VITEEE - 2014
VITEEE
Updated On:
Nov 25, 2025
$3 \hbar$
$1.5 \hbar$
$9 \hbar$
$2\frac{\hbar}{\pi}$
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The Correct Option is
A
Solution and Explanation
Angular momentum, mvr
$ = \frac{nh}{2\pi} = \frac{3 \times h}{2 \pi} = \frac{1.5\, h }{\pi} $
$ = 3\hbar \left[ \because \hbar = \frac{h }{2 \pi}\right]$
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Concepts Used:
Atomic Models
There are five atomic models:
John Dalton’s atomic model - Dalton´s Billiard Ball (Solid Sphere) Model
J.J. Thomson’s model - Plum Pudding model
Ernest Rutherford’s model - Nuclear model
Niels Bohr’s model - Planetary model
Erwin Schrödinger’s model - Electron Cloud Model/Quantum Model