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Online Tests
Physics Fsc Part 1 Chapter 4 Online Test MCQs With Answers
Question # 1
The SI unit of power is
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Joule
Newton
Watt
Kilowatt
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Question # 2
The space within which gravitational force acts on a body is called
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Electric field
Gravitational field
Magnetic field
Force field
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Question # 3
The power needed to lift a mass of 5000 g to height of 1 m in 2 secnd is
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2.45 watt
24.5 watt
245 watt
2.45 watt
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Question # 4
The K.E. of bullet of mass 500 gm moving at a speed of 200 ms-1
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250 J
125 J
2500 J
10,000 J
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Question # 5
When distance is plotted against the force, it is taken along
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x-axis
y-axis
z-axis
None of these
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Question # 6
A body has P.E. = mgh, when it is at height 'h' from the ground. At the point at the distance 'x' below from the top its P.E. with
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mgh
mgx
mg(x-h)
None of these
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Question # 7
Watt -m2 is the unit of
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Energy
Intensity
Power
Work
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Question # 8
A body of mass 2 kg moving with velocity of 4 ms-1 has K.E. equal to.
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16 J
8 J
32 J
2 J
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Question # 9
The frictional force is
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Conservative force
Non conservative force
Electric force
Magnetic force
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Question # 10
Work is negative when angle between F and d is
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45
o
0
o
90
o
180
o
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Question # 11
Biomas is a potential source of
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Renewable energy
Non renewable energy
Botha a and b
Tidal energy
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Question # 12
Original source of energy for biomass is
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Earth
Star
Moon
Sun
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Question # 13
If velocity 'v' of an object is double, then K.E. because.
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Remain same
Sixteen times
Double
Four times
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Question # 14
Hot igneous rocks, usually in molten or partly molten state are found in the depth of
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5 km
10 km
15 km
20 km
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Question # 15
By increasing the amount of stretch in spring the force exerted will
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Increase
One watt
One erg
One joule
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Question # 16
3 Joules of work id done is 3 seconds, then power
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6 Watt
1 Watt
3 Watt
2 Watt
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Question # 17
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 # 18
Which one is renewable source of energy.
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Coal
Uranium
Biomass
Natural gas
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