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Online Tests
Physics Fsc Part 2 Online Test MCQs With Answers
Question # 1
The ratio of potential barriers of Ge to Si at room temperatrue is.
Choose an answer
7:3
1:3
2:5
3:7
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Question # 2
Heat energy is converted into electrical energy.
Choose an answer
Solar cells
thermocouples
Electric generators
None of above
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Question # 3
In D.C. generator, split rings act as.
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Capacitor
Commutator
Resistor
Inductor
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Question # 4
When the back emf in a current is zero, it draws
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Zero current
Maximum current
Minimum current
Steady average current
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Question # 5
Energy stored per uint volume inside a solenoid is called as
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energy density
Electric flux
Work
Volume charge density
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Question # 6
Compton's effect is associated with
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gamma rays
Beta rays
X rays
Positive rays
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Question # 7
If a charged body is moved against the electric field it will gain.
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P.E.
K.E.
Mechanical energy
Electrical potential energy
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Question # 8
In glass, molecules are irregularly arranged so it is known as.
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Solid
Liquid
Solid liquid
Gas
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Question # 9
Photo diode detects.
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Visible light
Radio waves
X rays
All of them
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Question # 10
Einstein photoelectric equation is
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None of these
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Question # 11
The e/m of a neutron is
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Less than electron
The same as electron
Zero
Greater than election
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Question # 12
Example of ductile substance is.
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Glass
Wood
Lead
Oxygen
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Question # 13
The unit for Plank's constant is:
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Js
-1
Jm
Js
Jm
2
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Question # 14
The Si unit of Mutual inductance is:
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VA
-1
S
-1
VAS
-1
VSA
-1
ASV
-1
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Question # 15
If force in the direction of velocity of conductor, then induced current is directed,
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Anti clockwise
Clock wise
At equilibrium
None of above
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Question # 16
Cosmic rays consist of
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Protons
High energy photons
Positron
All of above
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Question # 17
1 gray is equal to.
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1 JKg-1
1KgJ-1
1JKg
1 JKg-2
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Question # 18
The power factor of RL series circuit is.
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0
1
Less then 1
More than one
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