Atomic and Molecular Physics [GATE (Graduate Aptitude Test in Engineering) Physics]: Questions 5 - 8 of 58

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Question 5

Atomic and Molecular Physics
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Appeared in Year: 2015

Write in Short

Short Answer▾

The excitation wavelength of laser in a Raman Effect experiment is 546 nm. If the stokes ‘line is observed at 552 nm, then the wavelength of the anti – stokes’ line (in per cm) is ________.

Question 6

Appeared in Year: 2015

Question

Match List-Ⅰ List-Ⅱ▾

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)

Far – infrared range

(B)

Electronic transition

(ii)

Microwave frequency

(C)

Nuclear magnetic resonance (NMR)

(iii)

Visible range frequency

(D)

Electron spin resonance (ESR)

(iv)

Radio frequency

Choices

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

a.

  • (iii)
  • (i)
  • (iv)
  • (ii)

b.

  • (i)
  • (iii)
  • (iv)
  • (ii)

c.

  • (i)
  • (iv)
  • (iii)
  • (ii)

d.

  • (i)
  • (ii)
  • (iv)
  • (iii)

Question 7

Atomic and Molecular Physics

Appeared in Year: 2012

Question

MCQ▾

The first Stokes line of rotational Raman spectrum is observed at . Considering the rigid rotor approximation, the rotational constant is given by –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 8

Atomic and Molecular Physics

Appeared in Year: 2012

Question

MCQ▾

The terms arising from electronic configuration in coupling scheme are –

Choices

Choice (4)Response

a.

b.

c.

d.

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