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11th Class Part 1 Physics Chapter 4 Test Online MCQs With Answers
Question # 1
Work is a
Choose an answer
Scalar quantity
Vector quantity
Basic quantity
None of these
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Question # 2
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 # 3
Which one is a conservative force
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Elastic spring force
Air resistance
Frictional force
Tension in the spring
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Question # 4
The formula for the power is
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P= W/d
P=W/v
P=W/t
P=Wt
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Question # 5
Energy dissipated usually appears as
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P.E.
Heat Energy
Chemical energy
Nuclear Energy
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Question # 6
SI unit of work
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Newton
Walt
Pascal
Joule
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Question # 7
Two quantities involved in work are
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Force and speed
Force and velocity
Force and displacement
Force and acceleration
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Question # 8
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 # 9
The commercial unit of electric energy is
Choose an answer
Kilo watt hour
watt
Watt hour
Kilo Watt
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Question # 10
The K.E. of bullet of mass 500 gm moving at a speed of 200 ms-1
Choose an answer
250 J
125 J
2500 J
10,000 J
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Question # 11
1 KWh =
Choose an answer
3.6 x 10
3
K
3.6 x 10
6
K
3.6 x 10
9
J
3.6 x 10
12
J
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Question # 12
When the rocket moves away from the earth, the work against gravity
Choose an answer
Remains constant
Varies directly with distance
Varies inversely with distance
Varies inversely with square of distance
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Question # 13
The dimensions of work are
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MLT
-1
MLT
-2
ML
2
T
-2
ML
-1
T
-1
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Question # 14
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 # 15
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 # 16
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 # 17
If velocity 'v' of an object is double, then K.E. because.
Choose an answer
Remain same
Sixteen times
Double
Four times
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Question # 18
The ability of a body to do work is called its
Choose an answer
Force
Power
Capacity
Energy
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