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Physics General Science Test Medium Mode MCQs With Answers
Question # 1
The fluid which is incompressible and non viscous is called
Choose an answer
Ideal fluid
Non-ideal fluid
Prefect fluid
All
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Question # 2
The current through a metallic conductor is due to the motion of
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protons
neutrons
electrons
free electrons
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Question # 3
A resonance curve for RLC series circuit is a plot of frequency versus
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Voltage
Current
Impedance
Reactance
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Question # 4
The graph showing the variation of displacement with time is a:
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Sine curve
Straight line
Parabola
None of these
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Question # 5
In case of a parallel plate capacitor if the plate separation is doubled and plate area is halved, the capacitance becomes
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Four-fold
One-half
One-fourth
Zero
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Question # 6
Two samples A and B of a gas initially of the same temperature and pressure are compressed from a volume V to a volume V/2 such that A is compressed isothermally and B adiabatically. The final pressure
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A greater than than of B
A is equal to that of B
A is less than that of B
A is twice the pressure of B
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Question # 7
The magnitude of induced emf depends upon the
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Rate of decrease of magnetic field
Rate of change of magnetic field
Rate of increase of magnetic flux
Constancy of magnetic field
None of these
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Question # 8
The SI unit of magnetic induction is
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Gauses
Tesla
Weber
Weber
2
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Question # 9
In equation F=ma, then mass 'm' is
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rest mass
variable mass
inertial mass
gravitational mass
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Question # 10
Unit vector is used to specify:
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Magnitude of a vector
Dimensions of a vector
Direction of a vector
Position of a vector
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Question # 11
The dimensions of viscosity are:
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M
2
L
-1
T
-2
M
-1
L
1
T
-1
M
-1
L
-1
T
ML
-1
T
-1
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Question # 12
Arsenic, antimony and phosphorous are the elements from
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third group
fourth group
fifth group
none of them
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Question # 13
Wavelength of light of frequency 100 Hz is
Choose an answer
2 x 10
6
m
3 x 10
6
m
4 x 10
6
m
5 x 10
6
m
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Question # 14
If plane polarized light is incident on the second sheet of Polaroid, the light emitted is full light when their axes are
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Parallel to each other
Perpendicular to each other
In between two positions
None of these
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Question # 15
The atoms molecules or ions in a crystalline solids are at room temperature
Choose an answer
Motionless
Vibrate violently
Fixed
Simply vibrate
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Question # 16
Two masses m
1
and m
2
have equal momentum their kinetic energies are in ratio of
Choose an answer
m
2
: m
1
m
2
1 : m
2
2
m
1
: m
2
m
2
2 :
m
2
1
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Question # 17
Three students measured the length of needle with a meter rod Which of the following is correct measurement
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0.2145 m
0.21 m
0.2142 m
None
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Question # 18
Photo cells is a device which convert light into:
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Wave nature
Particle nature
Particle wave nature
Dual nature
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Question # 19
De-Broglie received the Nobel prize in
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1929
1937
1928
1924
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Question # 20
Planck's constant has the dimensions of:
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Energy
Momentum
Frequency
Angular momentun
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Question # 21
An electric room radiator, which operates at 50V has resistance of 50 Ω. Power of the radiator is approximately:
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100W
50W
450W
1000W
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Question # 22
The amount of work done in bringing a unit positive charge from infinity to a point is called
Choose an answer
Potential
Potential difference
Absolute potential
None of these
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