Dimensional Analysis and its Applications NEET Questions

Physics - Physics and Measurement

Dimensional Analysis and its Applications MCQ Questions


13.
The application of dimensional analysis includes:
A.
Analyzing chemical reactions
B.
Measuring absolute errors
C.
Deriving relations between physical quantities
D.
Determining significant figures
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ANSWER :
C. Deriving relations between physical quantities
14.
Which of the following is a dimensionless quantity?
A.
Energy
B.
Force
C.
Poisson’s ratio
D.
Acceleration
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ANSWER :
C. Poisson’s ratio
15.
The dimensional formula of the magnetic field is:

NEET - 2022

A.
[MT⁻²A⁻¹]
B.
[MT⁻²A⁻¹]
C.
[MLT⁻²A⁻¹]
D.
[ML²T⁻²A⁻¹]
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ANSWER :
B. [MT⁻²A⁻¹]
16.
The dimensions of surface tension are:
A.
ML⁰T⁻²
B.
MLT⁻²
C.
ML⁻²T²
D.
ML⁻¹T⁻²
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ANSWER :
D. ML⁻¹T⁻²
17.
Which of the following is NOT a limitation of dimensional analysis?
A.
Cannot determine dimensionless constants
B.
Cannot derive equations with more than one term
C.
Cannot check correctness of equations
D.
Cannot derive relations between physical quantities
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ANSWER :
D. Cannot derive relations between physical quantities
18.
The dimensions of the coefficient of viscosity are:

NEET - 2017

A.
[ML⁻¹T⁻¹]
B.
[MLT⁻²]
C.
[ML⁻¹T⁻¹]
D.
[M⁻¹L⁻¹T⁻²]
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ANSWER :
C. [ML⁻¹T⁻¹]