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Online Tests
1st Year Fsc Physics Online Test MCQs With Answers
Question # 1
With increase of temperature, speed of sound.
Choose an answer
Remains constant
Becomes zero
Decreases
Increases
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Question # 2
Damping is the process in which energy
Choose an answer
Increases
Remains constant
Dissipates
None of these
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Question # 3
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 # 4
Efficiency of a heat engine working between 27
o
C and 32
o
C will be.
Choose an answer
50%
90%
40%
62%
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Question # 5
For working of heat engine, there must be
Choose an answer
A source
A sink
Ether of these
Both of them
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Question # 6
When two waves of same frequency travel in opposite direction, the phenomenon will be
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Diffraction
Stationary waves
Polarization
Interference
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Question # 7
Choose an answer
Unit vector
+ve of a vector
Resultant vector
-ve of a vector
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Question # 8
Total confined light is obtained by
Choose an answer
Total internal reflection
Refraction of light
Diffraction
Polarization
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Question # 9
Which of the following is a set of supplementary units
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Radian and kilogram
Radian and Steradian
Steradian and time
Mole and radian
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Question # 10
The Bragg's equation is given by
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Question # 11
Bio mass is converted into fuel by
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Evaporation
Fermentation
Reflection
Scattering
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Question # 12
When the body moves with constant acceleration the velocity time graph is
Choose an answer
Parabola
Hyperbola
Straight line
Curve
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Question # 13
In an object is placed in between focus point and Opticla center of a convex lens, the image formed by lens is.
Choose an answer
Real inverted
Virtual diminshed
Virtual inverted
Virtual erected
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Question # 14
Engineering physics, Astrophysics,Bio Physics and Geophysics are
Choose an answer
Branches of Physics
Branches of Chemistry
Applied Physics
None of these
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Question # 15
The ratio of the velocities of wate in a pipe lying horizontally at two ends is 1 : 4 The ratio of diameters of pipe at these two ends is.
Choose an answer
1 : 2
2 : 1
1 : 4
4 : 1
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Question # 16
A force of 10 N acts on a body of mass 5 kg in one second. The change in its momentum will be.
Choose an answer
10 kgms-1
50 kg ms-1
2 kg ms-1
20 kg ms-1
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Question # 17
Angular velocity determines, How fast or, How slow a body is
Choose an answer
Accelerating
Vibrating
Rotating
Oscillating
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Question # 18
Food rich in proteins is:
Choose an answer
potato
grapes
vegetables
bread
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