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Physics Fsc Part 1 Online Test MCQs With Answers
Question # 1
For working of heat engine, there must be.
Choose an answer
A source
A sink
either of these
Both of these
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Question # 2
An immediate source of energy for our body is:
Choose an answer
mango
Glucose
mushroom
meat
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Question # 3
Angular momentum has the same unit as
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Impulse x distance
Power x time
Linear x time
work x frequency
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Question # 4
If 'N' is number of lines rule don the grating having length 'L' then grating element 'd' is given by.
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N/L
2N/L
L/N
N/2L
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Question # 5
If the object is at 5 cm from the lens of simple microscope than its magnifying power will be.
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5
10
15
25
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Question # 6
If a mass of a body is doubled, then acceleration becomes.
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Double
Half
One fourth
Constant
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Question # 7
A finite volume of gas consists of
Choose an answer
Small no. of molecules
Large no. of molecule
Average no. of molecule
None of these
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Question # 8
Oil film floating on water exhibits colours due to
Choose an answer
Interference
Diffraction
Polarization
All of these
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Question # 9
A spring has a spring constant k. If it is cut in two equal parts, the spring constant of each part will be
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K
2 K
K/2
4K
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Question # 10
A force of 10 N acts on a body of mass 5 kg in one second. The change in its momentum will be.
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10 kgms-1
50 kg ms-1
2 kg ms-1
20 kg ms-1
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Question # 11
According to Hygen's principle, each point on a wave front acts as a source of.
Choose an answer
Secondary wavelet
New wave front
Sound
Primary wavelet
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Question # 12
The direction of null vector can be
Choose an answer
(+) ve
(-) ve
Arbitrary
Zero
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Question # 13
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 # 14
Which of the following is mechanical wave
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Heat
Light
Sound
None of these
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Question # 15
The tides raise in the sea roughly
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Once a day
Twice a day
Three a day
Four time a day
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Question # 16
the distance covered during one vibration of an oscillating body in terms of amplitude 'A' is
Choose an answer
A/2
A
2A
4A
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Question # 17
The distance between two consecutive wave front is equal to
Choose an answer
One wave length
Two wave length
Half wave length
Three wave length
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Question # 18
The force and torque are analogous to
Choose an answer
Velocity
Mass and weight
Moment of Inertia
Each other
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