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Online Tests
Physics Fsc Part 1 Online Test MCQs With Answers
Question # 1
The actual efficiency of property turned petrol engine is.
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20% to 30%
30% to 35%
40% to 45%
25% to 30%
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Question # 2
Newton's rings are formed due to phenomenon of.
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Interference
Dispersion
Diffraction
Polarization
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Question # 3
The collision between the gas molecules is
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Elastic
Inelastic
Both a and b
None of these
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Question # 4
The centripetal force is always directed
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Away from the centre along the radius
Along the direction of motion
Opposite to the motion of the body
Towards the centre along the radius
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Question # 5
The dimension of pgh has same as that of
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Work
Energy
Pressure
Mass
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Question # 6
When one mirror of a Michelson interferometer is moved a distance of 0.5 mm, 2000 fringes and observed, The wavelength of light used is.
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5000 m
50000 A
o
500 cm
2000 A
o
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Question # 7
If a stretched string 4 m long and it has 4 loops of stationary waves, then the wave length is.
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1m
2 m
3 m
4 m
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Question # 8
the acceleration along x -axis direction in case of projectile is.
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Zero
Equal to gravity
Maximum
Constant
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Question # 9
The number of spark plug needed in diesel engine is
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0
2
3
4
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Question # 10
Substances that don't flow easily has
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Large co-efficient of viscosity
Small co-efficient of viscosity
Medium co-efficient of viscosity
Zero-coefficient of viscosity
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Question # 11
Weight of a 60 kg man in moving elevator with constant acceleration of 1/2 f
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Zero
300 N
600 N
200 N
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Question # 12
The wavelength of wave produced by microwave oven is.
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12 cm
12 m
18 m
18 cm
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Question # 13
The force and torque are analogous to
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Velocity
Mass and weight
Moment of Inertia
Each other
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Question # 14
The error in speed of sound calculated by Newton at STP is about.
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0 %
14 %
15 %
16 %
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Question # 15
Efficiency of steam locomotive is.
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8%
10%
9%
7%
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Question # 16
1 torr in Nm-2 is expressed as.
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130.5 Nm-2
133.3 N m-2
140.2 Nm-2
135.2 Nm-2
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Question # 17
The minimum distance from eye at which an object appears to be distinct is
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Near point
Focal length
Image distance from lens
Object distance from lens
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Question # 18
Which of following is irreversible process
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Slow compression of an elastic spring
Slow evaporation of substances in isolated vessel
Slow expansion of a gas
A chemical explosion
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