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Online Tests
Physics Fsc Part 1 Online Test MCQs With Answers
Question # 1
The dot product of two vectors A and B will be zero, if angle between A and B is
Choose an answer
Zero
30
o
90
o
180
o
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Question # 2
Let A = Area of cross section of pipe, v = speed of fluid, then 'Av' is called.
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Volume flow rate
Energy flow rate
Mass flow rate
Pressure flow rate
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Question # 3
Stationary waves are generated on a string of high l, if tension is increased , frequency of vibration will
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Decrease
Unchanged
Half
Increases
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Question # 4
When a vector is multiplied by a (-)ve number its direction
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Remains constant
Reversed
Change by 90°
None of these
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Question # 5
A man of mass 5 kg is falling freely, the fore acting on it will be
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5 N
9.8 N
19.6 N
49 N
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Question # 6
The wave form of SHM is.
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Sine wave
Cosine wave
Tangent wave
Square wave
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Question # 7
Entropy remains constant.
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Isothermal process
Adiabatic process
Isochoric process
Isobaric process
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Question # 8
The unit of solar light inversely is
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Watt
kW m-2
Watt m-2
1 m2
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Question # 9
No body begins to move or comes to rest of itself was given by
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Newton
Pascal
Bernoulli
Bu Ali Sina
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Question # 10
A force of 20 N acts along x axis, tis component is.
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0 N
10 N
20 N
30 N
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Question # 11
The types of optical fibres are
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Three
Four
Five
Six
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Question # 12
The frequency of waves produced in microwave oven is
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1435 Hz
2450 MHz
1860 MHz
2850 Hz
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Question # 13
The work done will be maximum when angle between F and d.
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180
o
0
o
90
o
60
o
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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
The law of conservation of mass gives us
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Equation of continuity
Stock's law
Bernoulli's equation
Viscosity
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Question # 16
The behaviour of gases is discussed by
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Knowing their nature
Knowing their temperature
Kinetic theory
Maxwell's theory
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Question # 17
The light energy travels in space as waves was firstly proposed by
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Maxwell
Young
Einsten
Hydrogen
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Question # 18
Weight of a 60 kg man in moving elevator with constant acceleration of 1/2 f
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Zero
300 N
600 N
200 N
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