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Online Tests
Physics 9th Class English Medium Unit 7 Online Test MCQs With Answers
Question # 1
Ship and boats are designed on the principal of
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Charge
Densities
Volume
Floatation
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Question # 2
SI unit of pressure is pascal, which is equal to:
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10
4
Nm
-2
1 Nm
-2
10
2
Nm
-2
10
3
Nm
-2
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Question # 3
1000 liters is equal to:
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100 m
3
1 m
3
1 cm
3
1 mm
3
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Question # 4
Atmospheric pressure is measured by an instrument called:
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Barometer
Altimeter
Meter rod
Hydrometer
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Question # 5
Mercury is denser than water by time:
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13,6
10
15
20
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Question # 6
During the hot summer day the vlaue of atomospheric pressure is:
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Increase
Decreases
Constant
None of these
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Question # 7
Which following works on Pascal's law?
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Screw gauge
Vernier callipers
Hydraulic press
Wedge
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Question # 8
Force per unit Area is :
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Pressure
Density
Efficiency
Nil
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Question # 9
S.I unit of pressure is :
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Nm
-2
Newton
Joule
Watt
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Question # 10
Mathematically density is defined as
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mass/volume
force/area
volume/mass
mass/area
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Question # 11
According to Archimedes, up thrust is equal to :
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Weight of displaced liquid
Volume of displaced liquid
Mass of displaced liquid
None of these
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Question # 12
Which property can be determine by ARchimedes principle:
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Vapour pressure
Density
Compressibility
Elasticity
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Question # 13
Pressure is quantity:
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Scalar
Vector
Constnat
Dependent
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