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Online Tests
Physics 9th Class English Medium Online Test MCQs With Answers
Question # 1
The Mars has value of g
Choose an answer
25.94 m/sec2
3.73 m/sec2
1.62 m/sec2
8.87 m/sec2
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Question # 2
According to Archimedes principle upthrust is equal to
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weight of displaced liquid
volume of displaced liquid
mass of displaced liquid
are of displaced liquid
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Question # 3
A line about which a body rotates is called;
Choose an answer
Axis of rotation
Rigid Body
Center of gracity
None of these
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Question # 4
The work is negative if the angle between force and displacement is:
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0
°
45
°
90
°
180
°
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Question # 5
At night , the air from land to begins towards sea called:
Choose an answer
Land breeze
Sea breaze
Both A and B
Radiation
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Question # 6
If K = 150 N/m and elasticity is 0.20 m than:
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F = 30N
F= =31N
F = 32N
F = 29N
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Question # 7
The unit of rate of conduction :
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JS
-1
J
K
JK
-1
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Question # 8
Which surface is best reflector of heat?
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dull black surface
coloured surface
white surface
shining slivered surface
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Question # 9
The velocity of geostationary satellites with respect to Earth is
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Vo
2Vo
Zero
1/2 Vo
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Question # 10
Rooms are heated using gas heater by:
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Conduction only
Convection and radiation
Radiation only
Convection only
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Question # 11
Bimetal strip is made up of two different metal:
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Copper & iron
Brass & Iron
Brass & Nickel
Copper & Nickel
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Question # 12
Wood, cork, cotton, wool, rubber are the eamples of:
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Conductor
Thermal conductor
Insulator
both a & b
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Question # 13
A black dull surface is a good ________ of heat:
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Emitter
Absorber
Reflector
Both A and B
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