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Online Tests
Physics Fsc Part 1 Online Test MCQs With Answers
Question # 1
At constant temperature and pressure, if volume of given mass of a gas is doubled then density is.
Choose an answer
Doubled
1/4 original
1/2 of original
Unchanged
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Question # 2
In simple harmonic motion the velocity of a particle is maximum at.
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Extreme position
Mean position
In between extreme and mean position
None of them
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Question # 3
The resultant of two forces 3 N and 4 N acting at right angle to each other is
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7 N
5 N
4 N
1 N
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Question # 4
Stars moving away from Earth show a
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Green shift
Blue shift
Red shift
Yellow shift
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Question # 5
Which is the example of vector quantity
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Torque
Speed
Density
Work
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Question # 6
In order to produce beats, the two sound waves should have.
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The same amplitude
Slightly different amplitude
The same frequency
slightly different frequencies.
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Question # 7
The light emitted from light emitting diode has wave length.
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1.1 micro meter
1.3 micro meter
1.5 micro meter
1.7 micro meter
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Question # 8
Distance covered by a freely falling body is 2 seconds will be
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9.8 m
19.6 m
44.4 m
49 m
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Question # 9
Two tunign forks of frequencies 260 Hz and 256 Hz are sounded together , the number of beats per second is.
Choose an answer
2
258
516
4
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Question # 10
When a body is moving along a circular path, then such a motion is called
Choose an answer
Vibratory motion
Rotatory motion
Linear motion
None of these
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Question # 11
A Carnot engine has an efficiency of 50% when its sink temperature is at 27
o
C. The temperature of source.
Choose an answer
273
o
C
300
o
C
327
o
C
373
o
C
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Question # 12
A typical diffraction grating has certain number of lines per centimeter whose range is.
Choose an answer
40 to 50
400 to 5000
400 to 500
4000 to 5000
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Question # 13
Environmental crisis are also known as
Choose an answer
Population crisis
Entropy crisis
War crisis
Mass crisis
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Question # 14
Which of the following is mechanical wave
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Heat
Light
Sound
None of these
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Question # 15
Change of momentum is equal to
Choose an answer
Force
Tension
Impulse
Pressure
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Question # 16
The weight of an object an elevator moving down with an acceleration of 9.8 m/s2 will becomes
Choose an answer
Half
Double
Unchanged
Zero
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Question # 17
The difference between tow molar capacities is equal to.
Choose an answer
Plank's constant
General gas equation
Molar gas constant
Boltzmann constant
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Question # 18
A force applied on a body produces acceleration in
Choose an answer
Opposite direction
perpendicular direction
Its own direction
In any direction
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