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NAT I Computer Science Physics MCQs With Answers
Question # 1
The motion without consideration of its cause is studied in:
Choose an answer
Kinematics
Mechanics
Statics
Modern Physics
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Question # 2
Ball pen function on the principle of
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Viscosity
Boyle's law
Gravitational force
Surface tension
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Question # 3
In an ac circuit with voltage V and current 1 the power dissipated is
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VI
1/2 VI
1/√2 VI
Depends on the phase between V and 1
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Question # 4
A (100 W, 200 V) bulb is connected to a 160 V power supply. The power consumption would be
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64 W
80 W
100 W
125 W
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Question # 5
In which of the following states does the incandescent substance give continuous spectrum?
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Vapours in atomic state
Vapours in molecular state
Solid or fluid in bulk state
Solid or fluid in plasma state
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Question # 6
A wire is stretched to double of its length.The strain is
Choose an answer
2
1
Zero
0.5
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Question # 7
A voltmeter has resistance of 2000 ohms and it can measure up to 2V. If we want to increase its range to 10V then required resistance in series will be
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2000 Ω
4000 Ω
6000 Ω
8000 Ω
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Question # 8
The product of the pressure and volume of an ideal gas is
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A constant
Approximately equal to the universal gas constant
Directly Proportional to its temperature
Inversely proportional to its temperature
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Question # 9
A conducting wire is drawn to double its length Final resistivity of the material will be
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Double of the original one
Half of the original one
One-fourth of the original one
Same as original one
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Question # 10
According to Stoke's law drag force depends on
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Initial velocity
Final velocity
Terminal velocity
Instantaneous velocity
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Question # 11
Two bodies with masses M
A
and M
B
are moving with equal kinetic energy.Their linear moments are numerically in a ratio | P
A
| : |P
B
| will be:
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M
B
:
M
A
M
A
:
M
B
√
M
A
: √
M
B
M
A
2
:
M
B
2
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