1. Tardigrade
  2. Question
  3. Chemistry
  4. According to Bohr’s theory, the angular momentum of an electron in 5th orbit is :

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Q. According to Bohr’s theory, the angular momentum of an electron in 5th orbit is :

AIEEEAIEEE 2006Structure of Atom

Solution:

Angular momentum of an electron
$= mvr = \frac{nh}{2\pi}$ (n is orbit number)
in 5th orbit $= \frac{5h}{2\pi}$
$= \frac{2.5 \,h}{\pi}$