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Online Tests
Physics Fsc Part 2 Online Test MCQs With Answers
Question # 1
Pair production cannto take place in vacuum because :
Choose an answer
Mass in not conserved
Momentum is not conserved
Energy is not conserved
Charge is not conserved
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Question # 2
With the speed of motor, magnitude of back emf
Choose an answer
Remain same
Increase
Decrease
First increases then decreases
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Question # 3
Unit of impedance is:
Choose an answer
Ohm
Ohm
-1
no unit
Ohm m
-1
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Question # 4
The SI unit of stress is same as that of.
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Pressure
Force
Momentum
Work
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Question # 5
Earth orbital speed is.
Choose an answer
10 km/s
20 km/s
30 km/s
40 km/s
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Question # 6
The materialization of energy take place in the process of.
Choose an answer
Photo electric effect
Compton Effect
Pair production
Annihilationof matter
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Question # 7
Which one has the least resistance.
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Galvanometer
Ammeter
Ohm meter
Volta meter
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Question # 8
Transformer is used to change
Choose an answer
Electric power
Magnetic field
Alternating voltage
Phase of A.C.
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Question # 9
A transistor has parts:
Choose an answer
2
3
4
5
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Question # 10
OR gate is represented by:
Choose an answer
X = A+B
X=A.B
X=A+B
X=A.B
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Question # 11
The quantity/factor h/m
o
c has the dimensions of.
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Length
Time
Mass
Energy
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Question # 12
Ampere's law is applicable to:
Choose an answer
Circular path
Rectangular path
To any closed path
Nonwe of these
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Question # 13
The combined effect of resistance and reactance in circuit is called:
Choose an answer
Impedance
Inductance
Capacitance
None of above
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Question # 14
Insulators have:
Choose an answer
An empty conduction band
Al full valence band
A large energy gap
All of above
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Question # 15
The potential difference between the head and tail of an electrical to
Choose an answer
600 Volt
700 Volt
800 Volt
900 Volt
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Question # 16
The number of neutron present in a nucleus in a given by
Choose an answer
N = A+Z
N = A- z
N = Z - A
N = A X Z
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Question # 17
The stopping potential for a certain metal is 10 volts. Thus work function for the cathode is.
Choose an answer
10 J
1.6 X 10
-18
J
1.6 X 10
-19
J
1.6 X 10
30
J
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Question # 18
Charge on an electron was determined by
Choose an answer
Ampere
Millikan
Maxwell
Bohr
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