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Online Tests
Ics Part 2 Physics Test Online MCQs With Answers
Question # 1
NIBA =
Choose an answer
cθ
θ/c
c
2
θ
c
2
/θ
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Question # 2
The special theory of relativity based on.
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One postulate
Two postulates
Three postulates
Four postulates
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Question # 3
Pair production cannto take place in vacuum because :
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Mass in not conserved
Momentum is not conserved
Energy is not conserved
Charge is not conserved
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Question # 4
When some di electric is inserted between the plates of a capacitor, then capacitance.
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Decreases
Increases
Becomes zero
Becomes infinity
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Question # 5
The AC system is preferred to DC system because:
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AC voltage can be easily changed in magnitude
DC motor angular velocity is affected badly
High voltage AC transmission is less efficient
Domestic appliance require AC voltage for their operation
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Question # 6
Resistance tolerance for gold colour is.
Choose an answer
50%
30%
20%
5%
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Question # 7
The unit of Magnetic flux is called.
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weber
weber/m
2
NM
-1
A
-1
None of above
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Question # 8
If the length of solenoid is doubled but N same, B inside the solenoid becomes.
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Half
Doubled
One fourth
Four times
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Question # 9
The word amorphous means:
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Regular structured
Without form or structure
Frozen structured
None of above
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Question # 10
A semiconductor in its extremely pure form is known as:
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Intrinsic
Extrinsic
Both a and b
None of above
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Question # 11
Thermosouple is an arrangement of two different metals:
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Two convert heat energy into electrical energy
To produce more heat
To convert heat energy into chemical energy
To convert electrical energy into heat energy
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Question # 12
The emf induced by the motion of a conductor across a magnetic field is called:
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Motional emf
Rotational emf
Induced emf
All of above
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Question # 13
The product of resistance and capacitanc eis.
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Velocity
Force
Acceleration
Time
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Question # 14
Which one of the following physical quantities change with relativistic speed?
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Length
Time
Mass
All of above
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Question # 15
By modern system of NAVSTAR, the speed any where on the earth can be determined to accuracy about.
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20 ms-1
10 ms-1
2 cms-1
2 ms-1
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Question # 16
The average gap for Germanium at 0K is
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1.12 ev
0.02 ev
6.72 ev
7.2 ev
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Question # 17
By emitting Beta particle and gama particle simultaneously the nucleolus changes in its charges by
Choose an answer
N
N/2
N/4
3N/4
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Question # 18
When a conductor moves across a magnetic field an emf is set up this emf is called.
Choose an answer
Variable emf
Constant emf
Back emf
Induced emf
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