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NAT I Engineering Physics MCQs With Answers
Question # 1
To explain his theory Bohr used
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Conservation of linear momentum
Conservation of angular momentum
Conservation of quantum frequency
Conservation of energy
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Question # 2
If the period of oscillation of mass (M) suspended from a spring is 2s, then the period of mass 4M will be
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1 s
2 s
3 s
4 s
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Question # 3
How much water a pump of 2kW can raise in one minute to a height of 10 m. take g = 10 m/s
2
?
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1000 liters
1200 liters
100 liters
2000 liters
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Question # 4
Boyle's law is applicable in
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Isochoric process
Isothermal process
Isobaric process
Isotonic process
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Question # 5
If a diamagnetic substance is brought near north or south pole of a bar magnet it is
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Attracted by the poles
Repelled by the poles
Repelled by north pole and attracted by the south pole
Attracted by the north pole and repelled by the south pole
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Question # 6
The nuclear model of atom was proposed by
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J.J Thomson
E.Rutherford
Neil Bohr
Summerfield
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Question # 7
The angle between rectangular components of a vector is
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0°
60°
90°
120°
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Question # 8
Which quantity is increased in step-down transformer?
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Current
Voltage
Power
Frequency
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Question # 9
A bullet is short from a rifle. As a result the rifle recoils, The kinetic energy of rifle as compared to that of bullet is
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Less
Greater
Equal
Cannot be concluded
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Question # 10
Ball pen function on the principle of
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Viscosity
Boyle's law
Gravitational force
Surface tension
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Question # 11
The percentage errors in the measurements of mass and speed are 2% and 3% respectively. How much estimate of the kinetic energy obtained by measuring mass and speed
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11%
8%
5%
1%
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