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Online Tests
Physics 9th Class English Medium Online Test MCQs With Answers
Question # 1
Newton's first law of motion is valid only in the absence of:
Choose an answer
Force
Not force
Friction
Momentum
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Question # 2
A couple consists of how many forces:
Choose an answer
1
2
3
4
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Question # 3
If the force of 25 N pulls a stone through a distance of 5 cm in its direction the magnitude of work will be:
Choose an answer
5 J
125 J
175 J
200 J
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Question # 4
Land and Sea breezes are the results of:
Choose an answer
Conduction
Convection
Radiation
Conduction and radiation
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Question # 5
Cream separater works on:
Choose an answer
Centrifuge principle
Centripetal force
Both
None
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Question # 6
If the acceleration is 10 m/s2 and mass 10kg:
Choose an answer
F = 99N
F = 100 Kg
F = 100 m/s2
F =100 N
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Question # 7
Worst absorber of heat is:
Choose an answer
Dull black surface
Coloured surface
Shinning silvered surface
White surface
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Question # 8
The maximum value of friction is:
Choose an answer
Kinetic friction
Static friction
Limiting friction
Dynamic friction
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Question # 9
The power of electric kettle is 500W and takes 2s to heat up, find heat generated?
Choose an answer
E = 250 w
E = 1000 w
E = 10000 J
1KJ
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Question # 10
Minor but rapid change in atmospheric pressure cause:
Choose an answer
Poor condition
Intense condition
Windy condition
Pleasant condition
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Question # 11
If the velocity of a body becomes double, then its kinetic energy will:
Choose an answer
Remain the same
Become double
Become four time
Become half
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Question # 12
The S.I unit of power is :
Choose an answer
j/s2
J
W
J/M2
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Question # 13
F
x
= 4 N and F
y
=3N what is F?
Choose an answer
5N
1.5 N
16 N
9 N
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