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Online Tests
Ics Part 2 Physics Test Online MCQs With Answers
Question # 1
Specific resistance of a material depends upon.
Choose an answer
Length
Area
Temperature
Both A and B
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Question # 2
Black Body radiation spectrum is an example of:
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Atomic spectra
Line spectra
Continuous spectra
None of above
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Question # 3
Conversion of A.C into D.C is called:
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Compton effect
Rectification
Amplification
Pair production
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Question # 4
Transistor was discovered by
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Young
Curie
John Bardeen
Shale's
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Question # 5
One of the applications of electrostatic induction is
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Laser
Photocopier
X ray machine
Wilson cloud chamber
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Question # 6
SI unit of hennery which is.
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VSA-1
VS-1 A
VS-1A-1
VSA
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Question # 7
Light of 4.5 eV is incident on a Cesium surface and stopping potential is 0.25 eV, maximum K.E. of emitted electron is.
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4.5 eV
4.25 eV
4.75 eV
0.25 eV
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Question # 8
The binding energy per nucleon is maximum for
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Helium
Iron
Potassium
Radium
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Question # 9
An electromagnetic wave goes from air to glass which of the following does not change?
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Radio waves
X-rays
Ultra violet radiation
Ultra sond waves
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Question # 10
In a pure inductive A.C. circuit the current.
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Lags behind voltage by 90
o
Leads the voltage by 90
o
In phase with voltage
Leads the voltage by 270
o
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Question # 11
In frequency modulation which factor changed.
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Amplitude of charge carriers
Frequency of charge carriers
Amplitude of signal
Frequency of signal
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Question # 12
The capacitance of a capacitor depends upon.
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Thickness of plates
Charges on the plates
Voltage applied
Geometry of the capacitor
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Question # 13
The p-n junction in which p side is connected to+ive and n-side is -ve the junction is said to be:
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Neutral
Forward biased
Reversed biased
None of above
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Question # 14
The total flux through a closed surface.
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Directly proportional to shape and geometry
Independent of medium
Depend on shape and geometry
Dependent on medium and the charge enclosed
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Question # 15
For normal use:
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Emitter base function is reversed biased
Collector base junction is reserved biased
Emitter base junction is forward biased
Both c and b
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Question # 16
One henry is equal to
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1 ohm x 1 sec
1 ohm x 1 hertz
1 ohm x 1 metre
All of above
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Question # 17
When nitrogen is bombarded by alpha particles nitrogen nucleus changes into
Choose an answer
Oxygen
Carbon
Barium
Helium
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Question # 18
Charge carriers in electrolytes are.
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Protons
Electrons
Holes
Positive and Negative ions
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