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Online Tests
Physics 9th Class English Medium Online Test MCQs With Answers
Question # 1
A satellite revolving around very close to Earth has speed nearly:
Choose an answer
8 kms
-1
5 kms
-1
10 kms
-1
100 kms
-1
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Question # 2
The work done in lifting a brick of mass 2 kg through a height of 5 m above the ground will be:
Choose an answer
2.5 J
12.5 J
50 J
100 J
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Question # 3
Which surface is best reflector of heat?
Choose an answer
dull black surface
coloured surface
white surface
shining slivered surface
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Question # 4
A material of thermometer should has:
Choose an answer
Visible
High freezing point
Low melting point
All of these
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Question # 5
The vacuum in barometer is called:
Choose an answer
Deep vacuum
Mercury vacuum
Torricellian vacuum
None of above
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Question # 6
Density of water in kgm
-3
is:
Choose an answer
1000
4200
4300
4500
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Question # 7
Bimetallic strip works on the principle of
Choose an answer
expansion of metals
contraction of metals
both (A) and (B)
unequal expansion of metals
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Question # 8
On heating Air becomes.
Choose an answer
Heavier
Lighter
Remain same
None
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Question # 9
Water freezes at
Choose an answer
0oF
32oF
273 K
0 K
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Question # 10
Which of the following is the unit of momentum?
Choose an answer
Nm
Kg ms
-2
Ns
Ns
-1
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Question # 11
The single force that has the same effect as the combined effect of all the force to be added is called a
Choose an answer
Opposite force
Single force
Resultant force
Resultant vector
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Question # 12
The formula to determine the centripetal force is:
Choose an answer
Ms
mv
2
/r
Ns
Ns
-1
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Question # 13
The word science means.
Choose an answer
Intelligence
Nature
Knowledge
Philosphy
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