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Concepts Of Physics MCQ Edition [Volume 2]
Exam
Concepts Of Physics MCQ Edition [Volume 2]
Subject
Physics
Chapter
Bohr's Model and Physics of the Atom

Concepts Of Physics MCQ Edition [Volume 2] · Physics · Bohr's Model and Physics of the Atom

For an electron in a hydrogen atom, the minimum orbital angular...

For an electron in a hydrogen atom, the minimum orbital angular momentum is given by

Options

  1. Ah/2h/2
  2. Bh/λh/\lambda
  3. Ch/2πh/2\pi
  4. Dhh

Correct answer

C. h/2πh/2\pi

Step-by-step solution

According to Bohr's atomic model, the orbital angular momentum of an electron in a hydrogen atom is quantized and is given by

L=nh2πL = \dfrac{nh}{2\pi}

where n=1,2,3,…n = 1, 2, 3, \dots

For the minimum orbital angular momentum, the principal quantum number nn must be minimum, i.e., n=1n = 1.

L_{\text\min} = \dfrac{h}{2\pi}
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