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NAT I Engineering Physics MCQs With Answers
Question # 1
If the earth were to rotate faster than its present speed the weight of an object will
Choose an answer
Increase at the equator but remain unchanged at the poles
Decrease at the equator but remain unchanged at the poles
Remain unchanged at the decrease but decrease at the poles
Remain unchanged at the equator but increase at the poles
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Question # 2
Radio waves of constant amplitude can be generated with
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Rectifier
Filter
FET
Oscillator
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Question # 3
The volt/metre is the unit of:
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Potential
Work
Force
Electric field intensity
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Question # 4
The velocity of a particle at an instant is 10 m/s and after 5 s the velocity of the particle is 20 m/s.The velocity 3s before in m/s is:
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8
4
6
7
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Question # 5
The motion without consideration of its cause is studied in:
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Kinematics
Mechanics
Statics
Modern Physics
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Question # 6
With the increase of temperature viscosity
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Increase
Decrease
Remains same
Doubles
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Question # 7
A moving charge will gain energy due to the application of
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Electric field
Magnetic
Both of these
None of these
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Question # 8
What is the ratio of r.m.s velocity for O
2
to H
2
?
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1/4
4
√4 : 1
1 : √4
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Question # 9
For obtaining appreciable extension the wire should be
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Short and thin
Long and thin
Short and tick
Long and thick
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Question # 10
To make the frequency double of na oscillator we have to
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Double the mass
Half the mass
Quadruple the mass
Reduce the mass to one-fourth
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Question # 11
The mass defect for the nucleus of helium is 0.0303 a.m.u What is the binding energy per nucleon for helium in MeV?
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28
7
4
1
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