Dimensional Analysis and its Applications NEET Questions

Physics - Physics and Measurement

Dimensional Analysis and its Applications MCQ Questions


7.
Which of the following physical quantities has different dimensions than the others?
A.
Work
B.
Energy
C.
Torque
D.
Power
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ANSWER :
D. Power
8.
The Buckingham π theorem is used for:
A.
Checking dimensional homogeneity
B.
Finding the number of dimensionless groups
C.
Deriving new formulas
D.
Verifying SI units
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ANSWER :
B. Finding the number of dimensionless groups
9.
The dimensional formula of pressure is the same as that of:
A.
Stress
B.
Work
C.
Power
D.
Impulse
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ANSWER :
A. Stress
10.
Which of the following pairs have the same dimensional formula?
A.
Torque and Work
B.
Force and Power
C.
Pressure and Energy
D.
Velocity and Acceleration
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ANSWER :
A. Torque and Work
11.
The dimensional formula of angular momentum is:

NEET - 2018

A.
[ML²T⁻²]
B.
[ML²T⁻¹]
C.
[MLT⁻²]
D.
[MLT⁻¹]
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ANSWER :
B. [ML²T⁻¹]
12.
The unit of the coefficient of viscosity is:
A.
kg m⁻² s
B.
kg m s⁻²
C.
kg m⁻¹ s⁻¹
D.
kg m s⁻¹
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ANSWER :
C. kg m⁻¹ s⁻¹