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MCQ Questions for CBSE Class 12 with Answers
MCQ Questions for CBSE Class 11 with Answers
MCQ Questions for CBSE Class 10 with Answers
MCQ Questions for CBSE Class 9 with Answers
MCQ Questions for CBSE Class 8 with Answers
MCQ Questions for CBSE Class 7 with Answers
MCQ Questions for CBSE Class 6 with Answers
MCQ Questions for CBSE Class 5 with Answers
MCQ Questions for CBSE Class 4 with Answers
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MCQ Questions for CBSE Class 1 with Answers
Quiz
CBSE
/
Class 11
/
Physics
/
Units and Measurements
1.
Physical quantities are
quantities such as degrees, radians and steradians
quantities such as length, mass, time, electric current, thermodynamic temperature, amount of substance, and luminous intensity
quantities such as pounds, dollars and rupees
quantities such as kilos, pounds and gallons
2.
Which of the following pairs has the same dimensions?
specific heat and latent heat
lmpulse and momentum
surface tension and force
moment of lnertia and torque
3.
The dimensions of kinetic energy is
[M 2L2T]
[ML 2T]
[ML 2T-2]
[ML 2T-1]
4.
A force F is given by F = at + bt², where t is time. What are the dimensions of a and b?
MLT-1 and MLT0
MLT-3 and ML2T4
MLT-4 and MLT1
MLT-3 and MLT-4
5.
The atmospheric pressure is 106 dyne/cm². What is its value in SI unit?
105 newton/m²
106 newton/m²
104 newton/m²
103 newton/m²
6.
In a system of units if force (F), acceleration (A) and time (T) are taken as fundamentals units then the dimensional formula of energy is
FA2T
FAT2
FA2T
FAT
7.
If force (F), work (W) and velocity (v) are taken as fundamental quantities. What is the dimensional formula of time (T)?
[WFv]
[WFv-1]
[W-1F -1v]
[WF-1v -1]
8.
The dimensions of kinetic energy is same as that of
force
pressure
work
momentum
9.
Which of the following groups have different dimensions?
Potential difference, EMF, voltage
Pressure, stress, Youngs modulus
Heat, energy, work done
Dipole moment, electric flux, electric field
10.
ML-1T -2 is the dimensional formula of
magnetic induction
self-inductance
electric potential
electric field
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