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Online Tests
1st Year Fsc Physics Online Test MCQs With Answers
Question # 1
Centripetal force perform
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Maximum work
Minimum work
Negative work
No work
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Question # 2
For angular momentum of system to remain constant, external torque should be.
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Small
Large
Zero
None
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Question # 3
For an ideal gas, the internal energy is directly proportional to.
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Pressure
volume
Mass
Temperature
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Question # 4
Which is unimportant in describing the satellites orbit.
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Distance of satellite from earth's center
Gravitational constant G
Mass of satellite
Mass of earth
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Question # 5
The first person who attempted to measure the speed of light was.
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Michelson
Hygen's
Galileo
Ability
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Question # 6
Pressure of fluid will be low where speed of fluid is.
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Low
Zero
High
Constant
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Question # 7
Star moving towards the earth show
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Red shift
Blue shift
Green shift
Yellow shift
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Question # 8
Significant figures in 0.000546
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1
4
3
5
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Question # 9
The subtraction of a vector is equivalent to the addition with
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Same direction
Perpendicular direction
Reversed direction
All of these
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Question # 10
The unit of work in base unit is
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Kg m-1 sec-2
Kgm sec-2
Kgm2 sec-1
Kgm-1 sec-1
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Question # 11
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 # 12
If r = 5 m and f = 4 N are along same direction, them torque is
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20 Nm
5 Nm
10 Nm
Zero
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Question # 13
Temperature of a gas is increased from 27 oC to 127 oC. The ratio of its mean K.E. will be
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3/4
9/16
4/3
10/9
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Question # 14
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 # 15
[LT-2] is demensional formula for
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Acceleration
Velocity
Force
Momentum
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Question # 16
The density of blood is nearly equal to.
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Air
Milk
Honey
Water
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Question # 17
The produce oscillation, body is pulled away from its
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Mean position
Extreme position
Both a and b
None of these
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Question # 18
The angle between x-axis, y-axis and z-axis is
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45°
60°
75°
90°
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