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Online Tests
Physics Fsc Part 1 Online Test MCQs With Answers
Question # 1
The Bragg's equation is given by
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Question # 2
The resultant of two forces 3N and 4 N acting at right angle to each other is.
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5 N
6 N
1 N
7 N
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Question # 3
The types of optical fibres are
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Three
Four
Five
Six
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Question # 4
The time rate of change of angular displacements called.
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Linear velocity
Linear speed
Angular velocity
Angular speed
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Question # 5
Carnot cycle consists of.
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Two steps
Three steps
Four steps
Five steps
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Question # 6
If 20 waves passes through he medium in 2 sec of 10 ms-1 then he wavelength is.
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200 m
2 m
1 m
0.5 m
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Question # 7
The measure of hotness or coldness of a substance is.
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Temperature
Heat
Internal energy
Energy
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Question # 8
A body of mass 1.0 Kg dropped from the top of a tower of highest 50 m, what will be its K.E. 10 m below the top
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400 J
490 J
49 J
98 J
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Question # 9
The terminal velocity can be obtained by using
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Newton's law
Stock's law
Guass's law
None of these
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Question # 10
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 # 11
The magnifying power of an astronomical telescope is 10. If the focal length of objective is 100 cm, then what is the focal length of eye piece.
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10 cm
100 cm
1000 cm
5 cm
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Question # 12
The increase in thermal pollution of environment means.
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Increase in the entropy
Decrease in the entropy
Entropy remains constant
Entropy becomes zero
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Question # 13
A man of 5000 kg moves with an acceralation of 1 ms-2 force acting on it is.
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5 N
500 N
50 N
5000 N
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Question # 14
the acceleration of a body having SHM, depends upon its.
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Time period
Amplitude
Frequency
Displacement from mean position
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Question # 15
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 # 16
In blue light is used as compare to red light then fringe spacing.
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Increase
Decreases
Remain same
Becomes zero
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Question # 17
If the temperature of sink is absolute zero then the efficiency of heat engine engine should be.
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100%
50%
Infinite
zero
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Question # 18
If 332 waves pass through a medium in 1 second with speed of 332 ms-1 then wavelength will be
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7 m
332 m
664 m
1 m
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