Atomic and Molecular Physics-Raman Effect (GATE Physics): Questions 1 - 3 of 3

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Question number: 1

» Atomic and Molecular Physics » Raman Effect

Appeared in Year: 2015

Short Answer Question▾

Write in Short

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 number: 2

» Atomic and Molecular Physics » Raman Effect

Appeared in Year: 2012

MCQ▾

Question

The first Stokes line of rotational Raman spectrum is observed at 12.96cm1 . Considering the rigid rotor approximation, the rotational constant is given by –

Choices

Choice (4) Response

a.

1.62cm1

b.

3.24cm1

c.

6.48cm1

d.

2.16cm1

Question number: 3

» Atomic and Molecular Physics » Raman Effect

Appeared in Year: 2008

MCQ▾

Question

A pure rotational Raman spectrum of a linear diatomic molecule is recorded using electromagnetic radiation of frequency νe . The frequencies of two consecutive Stokes lines are –

Choices

Choice (4) Response

a.

νe+2B,νe+4B

b.

νe+10B,νe+14B

c.

νe10B,νe14B

d.

νe2B,νe4B

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