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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Heat travels from __________
Choose an answer
Colder to hotter
Hotter to colder
Both a & b are possible
None of above
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Question # 2
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 # 3
The speed geostationary satellite with respect to earth is:
Choose an answer
8.33 kms
-1
3.87 ms
-1
32 ms
-1
Zero
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Question # 4
Amount of heat that flows in unit time is called:
Choose an answer
Rate of flow of heat
Q/t
Conductivity
Both A and B
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Question # 5
1000 liters is equal to:
Choose an answer
100 m
3
1 m
3
1 cm
3
1 mm
3
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Question # 6
Latent heat of fusion of water is:
Choose an answer
3.36 x 10
10
Jkg
-1
93.6 x 10
10
Jkg
-1
3.36 x 10
5
Jkg
-1
None of these
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Question # 7
Central heating systems in buildings operate by
Choose an answer
Conduction
Radiation
Convection
Condensation
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Question # 8
Anticlockwise torque is taken:
Choose an answer
Negative
Neutral
Positive
Nil
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Question # 9
The symbol of sigma is :
Choose an answer
Σ
m
=
$
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Question # 10
If a force F makes an angle θ with the direction of motion of the force, then the formula for the work done will be:
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W = FS
W = FS cosθ
W = FS sinθ
W = FS tanθ
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Question # 11
When a body is lifted through a height h, the work donw on it appears in the form of its.
Choose an answer
Kinetic energy
Potential energy
Elastic energy
Geothermal energy
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Question # 12
Wood, cork, cotton, wool, rubber are the eamples of:
Choose an answer
Conductor
Thermal conductor
Insulator
both a & b
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Question # 13
Earth's gravitational force of attraction vanishes at:
Choose an answer
6400 km
Infinity
42300 km
1000 km
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