Physics MCQs

852 MCQs  (Page 42 of 86)

Attempt Physics Quiz
The fission chain reaction in a nuclear reactor can be controlled by introducing _______________?
A. Iron rods
B. Graphite rods
C. Cadmium rods
D. Platinum rods
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Torque is defined as______________?
A. Turning effect of force
B. Cross product of position vector and force
C. Product of force and moment arm
D. All a, b and c are correct
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The dimension of torque is______________?
A. [ml2t-2]
B. [mlt-2]
C. [ml2t]
D. [ml-2t-2]
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SI unit of torque is______________?
A. N.m
B. Joule
C. Both a and b are correct
D. Neither a nor b is correct
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Torque acting on a body determines_______________?
A. Acceleration
B. Linear acceleration
C. Angular acceleration
D. Direction of motion of the body
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A body in equilibrium__________________?
A. Always at rest
B. Always in uniform motion
C. May be at rest or in uniform motion
D. May be at rest or in motion
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A body will be in complete equilibrium when it is satisfying______________?
A. 1st condition of equilibrium
B. 2nd condition of equilibrium
C. Both ist and 2nd condition of equilibrium
D. Impossible
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Which one is not a type of dynamic equilibrium ?
A. Rotational equilibrium
B. Translational equilibrium
C. Static equilibrium
D. Both a and c are corret answer
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According to which one of following law the density of atom is uniform ?
A. J.j.thomson model
B. Rutherfords model
C. Bohrs model
D. All of the above laws contradict the statement
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In the nucleus of uranium, the number of neutrons will be _____________?
A. 92
B. 235
C. 143
D. Different for different isotopes
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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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