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B.Sc. IIIYEAR, Physics-I, E-QUIZ, December 2020

Total questions: 10

Worksheet time: 20mins

Name
Class
Date
1.

The spectra of molecule consists of

a)

A single band

b)

Number of bands in sequence

c)

Close and regular arrangement of group of bands

d)

None of these

2.

A Band has a sharp intense adge

a)

On the longer wavelength side

b)

In the middle

c)

On the shorter wavelength side

d)

No where

3.

Rotational energy levels of diatomic molecule are

a)

Continuous

b)

Discrete and equispaced

c)

Discreet but not equispaced

d)

Nothing can be said

4.

Pure rotational spectrum is found in

a)

Visible region

b)

Ultraviolet region

c)

Near infrared region

d)

Far infrared region

5.

The near infrared spectra of molecule is due to

a)

Electronic transitions

b)

Vibrational transitions

c)

Rotational transitions

d)

None of these

6.

Raman shift lies in

a)

In invisible region

b)

Ultraviolet region

c)

Infrared region

d)

Microwave region

7.

The lines towards lower frequency of original line are called

a)

Raman lines

b)

Anti Stokes lines

c)

Stokes lines

d)

None of these

8.

K state is

a)

Singlet

b)

Doublet

c)

Triplet

d)

Quintet

9.

In demand effect the frequency shift depend on

a)

Scatterer

b)

Frequency of incident radiation

c)

Angle of scattering

d)

None of these

10.

L state is

a)

Singlet

b)

Doublet

c)

Triplet

d)

Quintet