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Online Tests
1st Year Fsc Physics Online Test MCQs With Answers
Question # 1
The energy processes, we use are
Choose an answer
Efficient
Not efficient
Reversible
None of these
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Question # 2
A typical rocket consumes fuel about
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40000 Kgs-1
30000 Kgs-1
20000 Kg s-1
10000 Kgs-1
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Question # 3
The units of magnifying power of microscope or telescope are.
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Metre
m
-1
dioptre
No unit
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Question # 4
Which material has maximum viscosity
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Glycerin
Plasma
Methanol
Water
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Question # 5
Bio mass is converted into fuel by
Choose an answer
Evaporation
Fermentation
Reflection
Scattering
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Question # 6
Critical angle is that angle of incident ofr which angle of refraction is.
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90
o
45
o
42
o
24
o
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Question # 7
The speed of sound increases with the increase of in
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Pressure
Volume
Temperature
Density
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Question # 8
The distance between the consecutive nodes is
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Question # 9
The efficiency of any heat engine can never be
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+ve
100%
-ve
None of these
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Question # 10
Star moving towards the earth show
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Red shift
Blue shift
Green shift
Yellow shift
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Question # 11
For a gas obeying Boyle's Law, if the pressure is doubled, the volume becomes.
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Double
Three fold
One half
Remains the same
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Question # 12
The fringe spacing increases if we use.
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Yellow light
Green lgiht
Blue light
Red light
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Question # 13
A vector is denoted by
Choose an answer
Light face
Bold face
Both a and b
None of these
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Question # 14
Height of geo stationary orbit of the satellite above the earth is.
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300 km
250 km
400 km
None of these
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Question # 15
If the temperature of a gas is constant then <1/2 mv2> of the molecules of gas will be.
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Constant
Zero
Increase
Decrease
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Question # 16
The frictional force is
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Conservative force
Non conservative force
Electric force
Magnetic force
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Question # 17
The molecules of an ideal gas exert
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Force on each other
No force on each other
Large force on each other
Pressure on each other
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Question # 18
The dimensional of potential energy per unit volume are same as that of.
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Work
Pressure
Speed
Density
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