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Online Tests
Physics 9th Class English Medium Online Test MCQs With Answers
Question # 1
If Fx and Fy are rectangular components of vector F, then its direction is determined by the relation
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θ = sin-1 Fv/Fx
θ = tan-1 Fx/Fy
θ = tan Fx/Fy
θ = tan Fy/Fx
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Question # 2
By dividing displacement of a moving body with time, we obtain
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Deceleration
Acceleration
Speed
Velocity
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Question # 3
Motion of butterfly is an example of.
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Random
Circular motion
Linear motion
Vibratory motion
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Question # 4
Rate of doing work is called
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Energy
Torque
Power
Momentum
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Question # 5
The tendency of doing work is called :
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Time
Energy
Force
Area
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Question # 6
False celling is done to
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Lower the height of ceiling
Keep the roof clean
cool and room
Insulate the ceiling.
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Question # 7
The insulator of heat is:
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Cork
Cotton
Wood
All
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Question # 8
Alcohol has specific heat in Jkg
-1
K
-1
is:
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2500
4200
1000
138.6
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Question # 9
Independent quantities are taken on
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- x - axis
x -axis
-y-axis
y-axis
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Question # 10
Central heating systems in buildings operate by
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Conduction
Radiation
Convection
Condensation
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Question # 11
The ability of body to do work is called:
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Power
Energy
Work
Efficiency
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Question # 12
Waking on earth is the example of
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1st law of motion
Second law of motion
Third law of motion
Law of Momentum
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Question # 13
Land and Sea breezes are the results of:
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Conduction
Convection
Radiation
Conduction and Radiation
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