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Online Tests
Ics Part 2 Physics Test Online MCQs With Answers
Question # 1
Max planck received noble prize in:
Choose an answer
1927
1932
1918
1914
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Question # 2
In Pakistan the frequency of A.C. supply is.
Choose an answer
50 Hz
60 Hz
45 Hz
70 Hz
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Question # 3
The SI unit of stress is same as that of.
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Pressure
Force
Momentum
Work
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Question # 4
The relative permitivity of air is
Choose an answer
79.5
1.006
1.06
1.0006
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Question # 5
Drift velocity of electrons is.
Choose an answer
10
-1
m/s
10
-2
m/s
10
-3
m/s
10
3
m/s
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Question # 6
In metal detector, we use.
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L-C circuit
R-L circuit
R-C circuit
RLC series circuit
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Question # 7
split rings are used in
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A.C. generator
A.C. motor
Transformer
D.C. motor
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Question # 8
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 # 9
Pair production can take place only when energy of radiation is equal and greater than 1.02 MeV, thus correct option is.
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X rays
Gama rays
Heat Radiation
Ultraviolet rays
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Question # 10
In A.C. inductor behaves as
Choose an answer
Capacitor
Resistor
Commutator
Transistor
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Question # 11
The Kirchhoff 1
st
rule is manifestation of:
Choose an answer
Law of conservation of mass
Law of Conservation of charge
Law of conservation of energy
None of above
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Question # 12
The rest mass x ray photon is
Choose an answer
Infinite
Zero
1.67 X
-17
kg
All of the above
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Question # 13
Conductors have conductivities of order:
Choose an answer
10
3
(Ωm)-1
10
7
(Ωm)
-1
10
7
Ωm
-1
10
-6
Ω
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Question # 14
An A.C. voltmeter reads 220 V, its peak value will be
Choose an answer
225 V
240 V
311.12 V
300 V
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Question # 15
If the length and number of turns of a solenoid are doubled strength of magnetic field with.
Choose an answer
Be doubled
Become half
Not change
Be four time
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Question # 16
Coercive force is used to
Choose an answer
Demagnetize the material
Magnetize the material
Extend it
None of these
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Question # 17
The substance which atom cooperates with each other in such a way so as to exhibit a strong magnetic field is called.
Choose an answer
Ferromagnetic
Paramagnetic
Diamagnetic
Non magnetic
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Question # 18
Unit (S.I) of temperature coefficient of resistivity of a material is
Choose an answer
K
K
-1
o
C
K
-2
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