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Byju's Answer
Standard XII
Physics
Dimensional Analysis
Which is not ...
Question
Which is not a dimensionless quantity is :
A
Moment of Momentum
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B
Moment of force
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C
Moment of inertia
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D
All of the above
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Solution
The correct option is
C
All of the above
Moment of Momentum
=
m
v
r
Dimension:
=
M
1
L
2
T
−
1
Moment of force
=
r
×
f
Dimension:
=
M
1
L
2
T
−
2
Moment of Inertia
=
M
r
2
Dimension:
=
M
1
L
2
Hence, none of the quantity is dimensionless.
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