Physics MCQs

852 MCQs  (Page 33 of 86)

Attempt Physics Quiz
The rotational K.E of the hoop is equal to the______________?
A. Its translational k.e
B. Half than its translational k.e
C. Double than its translational k.e
D. Four times than its translational k.e
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A hoop and disc have same mass and radius. Their rotational K.E are related by an equation______________?
A. K.e hoop = k.e disc
B. K.e hoop = 2k.e disc
C. K.e hoop = 1/2k.e disc
D. K.e hoop = 4k.e disc
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The critical speed of an artificial satellite is_______________?
A. 8 kms-1
B. 8.1 kms-1
C. 7.9 kms-1
D. 8 ms-1
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The unit of force is _________ and its symbol is ______________ Which is the correct pair ?
A. Newton, n
B. Newton, n
C. Newton, n
D. Newton, n
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Number of significant figures in 0.0173 is_________________?
A. 3
B. 4
C. 5
D. 2
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Smaller the least count of the instrument more is the measurement________________?
A. Accurate
B. Precise
C. Accurate and precise
D. None of these
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The dimension of force is__________________?
A. Mlt-1
B. Mlt-2
C. Ml-1t
D. Ml-1t-2
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ML-1 T-2 is the dimension of_______________?
A. Force
B. Pressure
C. Momentum
D. Energy
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Dimensional analysis is helpful for__________________?
A. Deriving a possible formula
B. Checking the homogeneity of a physical equation
C. Verification of laws
D. Only a and b are correct
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Which equation is not dimensionally correct ?
A. E=mc2
B. Vf=vi+at
C. S=vt2
D. S=1/2at2
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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