Dimensions of Physics Quantities NEET Questions

Physics - Physics and Measurement
Dimensions of Physics Quantities

Dimensions of Physics Quantities MCQ Questions


1.
The nature of a physical quantity is described by its:
A.
Units
B.
Magnitude
C.
Dimensions
D.
Numerical value
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ANSWER :
C. Dimensions
2.
In mechanics, all physical quantities can be expressed using base dimensions:
A.
Only [L] and [T]
B.
[M], [L] and [T]
C.
All 7 SI dimensions
D.
[M], [L], [T] and [A]
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ANSWER :
B. [M], [L] and [T]
3.
The dimensional formula of volume is:
A.
[ML³T⁰]
B.
[M⁰LÂČT⁰]
C.
[M⁰L³T⁰]
D.
[M⁰LÂłT⁻Âč]
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ANSWER :
C. [M⁰L³T⁰]
4.
The dimensional formula of force is:
A.
[MLT⁻Âč]
B.
[MLÂČT⁻ÂČ]
C.
[MLT⁻ÂČ]
D.
[ML⁻ÂčT⁻ÂČ]
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ANSWER :
C. [MLT⁻ÂČ]
5.
The dimensional formula of mass density (ρ = m/V) is:
A.
[ML³T⁰]
B.
[ML⁻³T⁰]
C.
[M⁻ÂčLÂłT⁰]
D.
[MLÂłT⁻Âč]
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ANSWER :
B. [ML⁻³T⁰]
6.
The dimensional formula of speed/velocity is:
A.
[MLT⁻ÂČ]
B.
[M⁰LT⁻ÂČ]
C.
[M⁰LT⁻Âč]
D.
[MLÂČT⁻Âč]
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ANSWER :
C. [M⁰LT⁻Âč]
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