WorksheetsSpectroscopy
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Vibrating diatomic molecule obeys
a)
Hookes law
b)
Law of motion
c)
Law of conservation of energy
d)
none
2.
P Branch
a)
DJ=0
b)
DJ=1
c)
DJ=-1
d)
DJ=±1
3.
R Branch
a)
DJ = ±1
b)
DJ = 0
c)
DJ = +1
d)
DJ = -1
4.
BAND CENTER OCCURS AT
a)
⍵
b)
⍵eXe
c)
⍵osc
d)
⍵0
5.
Zero point energy of S.H.O is
a)
⍵osc
b)
⍵e
c)
1/2 ⍵osc
d)
ALL
6.
Hertz can be converted cm-1 dividing by
a)
hc
b)
h
c)
h/n
d)
h/⍵
7.
Selection rule for SHO is
a)
Dv =0
b)
Dv =0,±1
c)
Dv =±1
d)
none
8.
Selection rule for anharmonic oscillator
a)
Dv =±1
b)
Dv =0,±1
c)
Dv =±1,±2,±3
d)
none
9.
MOARSE CURVE IS THE PLOT OF
a)
ENERGY VERSUS BONDLENGTH
b)
ENERGY VERSUS BOND DISSOCIATION ENERGY
c)
ENERGY VERSUS INTERNUCLEAR DISTANCE
d)
DISSOCIATION ENERGY VERSUS INTERNUCLEAR DISTANCE
10.
First overtone occurs at
a)
⍵e(1-4Xe)
b)
⍵e(1-3Xe)
c)
2⍵e(1-3Xe)
d)
⍵e(1-Xe)
100 %
