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Physics Fsc Part 2 Online Test MCQs With Answers
Question # 1
Special organs called ampullae of lorenzenite are present in.
Choose an answer
Bats
Cats
Dogs
Sharks
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Question # 2
A photon while passing thorugh a magnetic field are deflected towards:
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North pole
South pole
Are ionized
None of these
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Question # 3
The energy equivalent of 1 kg of matter is about:
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10
-15
J
1 J
10
-12
J
10
-17
J
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Question # 4
Magnetic flux density at a point due to current carrying coil is determined by
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Ampere's law
Faraday's law
Lenz's law
Gauss's law
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Question # 5
The reactance of inductor depends upon
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L
All of the above
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Question # 6
In purely resistive A.C circuit, instantaneous value of voltage and current:
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Current lags behind voltage
Current leads voltage by π/2
Both are in Phase
Voltage leads current by Pase θ=π/2
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Question # 7
A PN junction can not be sued a.
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Rectifier
Amplifier
Detector
LED
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Question # 8
The motional emf depends upon the
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Length of conductor
Speed of conductor
Strength of magnet
All of these
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Question # 9
Hydrogen bomb is an example of.
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Nuclear fission
Nuclear fusion
Chain reaction
Chemical reaction
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Question # 10
The electromagnetic spectrum contains
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Radio waves
X-rays
Microwaves
All of these
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Question # 11
Which pair belongs to hadrons.
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Protons and Neutrons
Neutrons and electrons
Photons and electrons
positrons and electrons
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Question # 12
The sum of electric and magnetic force is called.
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Maxwell force
Lorentz force
Newton's force
Centripetal force
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Question # 13
Some charge is being given to a conductor. Then its potencial
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Its maximum at surface
Its maximum at Its maximum at center
Is remain same throughout the conductor
Is maximum somewhere between surface and centre
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Question # 14
The wavelength associated with the protons moving at speed of 40 m/s is.
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7.20 nm
9.02
15.7 nm
17.3 nm
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Question # 15
The scientist who suggested the presence of neutron was:
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Bohr
Rutherford
Chadwick
J.J Thomson
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Question # 16
In modulation, low frequency signal is known as
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Carrier wave
fluctuated signal
Modulated carrier signal
Modulation signal
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Question # 17
5 A of current flows through a conductor in 2 minutes, charge in the wire is.
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500 C
600 C
400 C
10 C
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Question # 18
X
L
=
Choose an answer
2πfL
1/2πfL
2πfL
fL/2π
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