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Online Tests
Physics Fsc Part 1 Online Test MCQs With Answers
Question # 1
Total confined light is obtained by
Choose an answer
Total internal reflection
Refraction of light
Diffraction
Polarization
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Question # 2
The efficiency of heat engine whose sink is at 17
o
C and source at 200
o
C is.
Choose an answer
38%
63%
80%
90%
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Question # 3
Entropy of measure of.
Choose an answer
Internal energy of system
Order of system
Disorder of system
Potential energy of system
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Question # 4
The speed of sound in ari at 0
o
C is 332 ms-1, Then the speed at 40
o
C will be
Choose an answer
372 ms-1
356 ms-1
346 ms-1
332 ms-1
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Question # 5
Vectors have
Choose an answer
Numerical value
Directional
Both a and b
None of these
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Question # 6
The efficiency of diesel engine is about
Choose an answer
25 % to 30%
35% to 40%
40% to 50%
50% to 60%
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Question # 7
10 waves pass through a point in 2 seconds with speed 10 ms-1 the frequency of wave will be
Choose an answer
1 Hz
2 Hz
5 Hz
10 Hz
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Question # 8
A 60 kg man in an elevator is moving upward with an acceleration of 9.8 ms-2. The apparent weight of the man.
Choose an answer
Increase
Decreases
Remain constant
Becomes zero
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Question # 9
SI unit of work
Choose an answer
Newton
Walt
Pascal
Joule
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Question # 10
A constant temperature, if pressure of a given mass of gas is halved, then its volume becomes.
Choose an answer
Halve
Doubled
Four time
Constant
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Question # 11
P.E. of a spring is stored in
Choose an answer
Spring
mass
Both of them
None of these
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Question # 12
Using a graded Index fibre, the time difference is reduced to about.
Choose an answer
1 ns per km
33 ns per 100 km
33 ns per km
1 ns per 100 km
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Question # 13
The magnification of a convex lens of focal length 5 cm is equal to.
Choose an answer
5
6
10
23
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Question # 14
The fluid is said to be incompressible, if its density is.
Choose an answer
Zero
Very high
Constant
Very small
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Question # 15
The error in speed of sound calculated by Newton at STP is about.
Choose an answer
0 %
14 %
15 %
16 %
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Question # 16
The sum of two or more vectors will be a single vector called
Choose an answer
Component vector
Position vector
-ve vector
Resultant vector
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Question # 17
If the slope of the velocity time graph remain constant then body is moving with.
Choose an answer
Uniform velocity
Negative variable acceleration
Variable acceleration
Uniform acceleration
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Question # 18
Height of projectile is maximum at an angle of.
Choose an answer
45
o
60
o
30
o
90
o
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