Atomic and Molecular Physics-Rotational and Vibration Spectra of Diatomic Molecules (GATE Physics): Questions 1 - 3 of 11

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Question number: 1

» Atomic and Molecular Physics » Rotational and Vibration Spectra of Diatomic Molecules

Appeared in Year: 2014

MCQ▾

Question

The moment of inertia of a rigid diatomic molecule A is 6 times that of another rigid diatomic molecule B. If the rotational energies of the two molecules are equal, then the corresponding values of the rotational quantum numbers Equation are –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2

» Atomic and Molecular Physics » Rotational and Vibration Spectra of Diatomic Molecules

Appeared in Year: 2015

Match List-Ⅰ List-Ⅱ▾

Question

Match the phrases in Group I and Group II and identify the correct option.
List-Ⅰ (Group - I) List-Ⅱ (Group - II)

(A)

Transition between vibrational state of a molecule

(i)

Radio frequency

(B)

Nuclear magnetic resonance (NMR)

(ii)

Microwave frequency

(C)

Electron spin resonance (ESR)

(iii)

Far – infrared range

(D)

Electronic transition

(iv)

Visible range frequency

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iii)
  • (i)
  • (ii)
  • (iv)

b.

  • (iv)
  • (i)
  • (ii)
  • (iii)

c.

  • (iv)
  • (iii)
  • (i)
  • (ii)

d.

  • (ii)
  • (iii)
  • (iv)
  • (i)

Question number: 3

» Atomic and Molecular Physics » Rotational and Vibration Spectra of Diatomic Molecules

Appeared in Year: 2013

MCQ▾

Question

The spacing between vibration energy levels in Equation molecule is found to be Equation . Given that the reduced mass of Equation is Equation , Plank’s constant is Equation and Equation . The force constant of the bond in Equation molecule is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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