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Online Tests
Physics Fsc Part 2 Online Test MCQs With Answers
Question # 1
Magnetic flux density is measured in
Choose an answer
Weber
Weber/m2
Tesla -m
Gauss
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Question # 2
Bottom quark carries charge :
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2/3 e
-2/3 e
+1/3 e
-1 /3 e
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Question # 3
Earth orbital speed is
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10 km/s
20 km/s
30 km/s
40 km/s
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Question # 4
A perfect absorber must also be perfect
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Cavity
Sources of radiation
Radiator
None of these
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Question # 5
A device that shows the visible path of ionizing particle is called.
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GM counter
Solid state detector
Scalar
Wilson cloud chamber
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Question # 6
The first laser was built by
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ArthursSchawalow
T.H.Maiman
Peter Sorokin
C.H.Townes
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Question # 7
The colour of light emitted by a LED depends on.
Choose an answer
It forward biased
Its reverse biased
Unbiased
None of these
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Question # 8
The sum of positive and negative peak value called.
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R.M.S. value
P-P value
Peak value
Average value
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Question # 9
The impurity in the germinium is usually in the ratio of
Choose an answer
1:10
6
1:10
4
1:10
8
1:10
10
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Question # 10
Anti particle of electron is
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Proton
Photon
Neutron
Positron
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Question # 11
Electromagnetic induction obeys law of conservation
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Charge
Energy
Momentum
Mass
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Question # 12
The device which is used as amplifier and works with the negative feedback is.
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Operational amplifier
P-n-p transistor
n-p-n transistor
Transistor
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Question # 13
Impedance is denoted by:
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A
Z
P
Q
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Question # 14
One electron volt is equal to.
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1.6 x 10
-19
Joule
1.6 x 10
-19
Coulomb
1.6 x 10
-12
N
1.6 x 10
18
Joule
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Question # 15
A certain wire has a resistance R, the resistivity of an other wire of an identical material with the first, except for twice its diameter is.
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1/4 R
4R
2R
Same as R
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Question # 16
For electromagnetic waves, Maxwell generalized
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Gauses law for magnetism
Gauses law for eletricity
Fradays law
Amperes law
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Question # 17
If a low resistance is connected parallel to a galvanometer then galvanometer is converted.
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Ammeter
Voltammeter
Ohmmeter
Multimeter
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Question # 18
The ratio of potential barriers of Ge to Si at room temperatrue is.
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7:3
1:3
2:5
3:7
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