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Online Tests
Physics Fsc Part 1 Online Test MCQs With Answers
Question # 1
With increase of temperature, speed of sound.
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Remains constant
Becomes zero
Decreases
Increases
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Question # 2
The law of conservation of energy is the basis of.
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Stream line flow
Equation of continuity
Bernoulli's equation
Venture relation
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Question # 3
On loading the prong of a tuning fork with wax, the frequency of sound.
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Increases
Decreases
Remains same
First increases then decrease
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Question # 4
When the projectile reaches the highest point of trajectory, the vertical component of velocity becomes.
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Small
Zero
Maximum
Vi cos
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Question # 5
Frequency range of hearing of cats is.
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20-20000 Hz
10- 10000 Hz
60-20000 Hz
60-70000 Hz
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Question # 6
Apparent weight of a man is in upward accelerated lift will
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Increases
Decreases
Remain same
Increases then decrees
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Question # 7
Which one of the following force cannot do any work on the particle on which it acts.
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Fractional force
Gravitational force
Electrostatic force
Centripetal force
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Question # 8
No of spark plugs needed in the diesel engine are.
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0
1
2
3
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Question # 9
The mean kinetic energy of gas is at.
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0
o
C
-273
o
C
100 K
100
o
C
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Question # 10
A mass of 1 kg is freely falling. The force of gravity is.
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1 N
9.8 N
0.5 N
Zero
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Question # 11
The weight of the body at the centre of earth is
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Maximum
Minimum
Zero
Infinite
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Question # 12
Sodium chloride in a flame gives
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Green light
White light
Red light
Yellow light
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Question # 13
Pressure 'P' of a gas is defined as
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F/A
FA
F/V
F/D
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Question # 14
Reapters are placed in new system at distance of.
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30 km
50 km
80 km
100 km
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Question # 15
The state of human blood flow can be found by using.
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Newton's formula of speed of sound
Interference of sound
Phenomena of beats
Doppler's effect of sound
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Question # 16
The minimum number of correctly positioned communication satellites to cover whole populated earth is.
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2
3
100
200
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Question # 17
A phenomenon by which energy is dissipated from the oscillating system is called.
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Forced oscillation
Free oscillation
Damping
Simple harmonic motion
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Question # 18
Venturimeter is used ot measure.
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Speed of fluid
Pressure of fluid
Volume of fluid
Mass of fluid
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