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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Metals are good conductor of heat due to:
Choose an answer
Free electrons
Reamain same
Small size of their molecules
Rapid vibration of their atoms
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Question # 2
The forces that are parallel to each other and have the same direction are called:
Choose an answer
Like parallel forces
Unlike parallel forces
Resultant forces
Net forces
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Question # 3
Resultant vector can be found by:
Choose an answer
θ=tan
-1
Fy/ Fx
θ=tan
[
Fy/ Fx ]
θ=tan
-1
[ Fy/ Fj ]
None of these
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Question # 4
Dependent quantities are taken on
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x - axis
-ve x -axis
y-axis
- y-axis
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Question # 5
The specific heat of water is
Choose an answer
2100 Jkg-1 k-1
4200 Jkg-1 k-1
2500 Jkg-1 k-1
2010 Jkg-1 k-1
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Question # 6
The force with which Earth attracts the object towards its center is known as
Choose an answer
Force
Weight
Mass
Gravity
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Question # 7
Rooms are heated using gas heaters by
Choose an answer
Conduction only
Convection and radiation
Radiation only
Convection only
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Question # 8
If the mass of body is doubled while keeping the force contant, then acceleration will be:
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Doubled
One half
4 times
One fourth
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Question # 9
Which of the following is an insulator?
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Wood
Glass
Plastic
Steel
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Question # 10
Decrease in atmospheric pressure predicts:
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Rainy condition
Intense condition
Windy Condition
Pleasant condition
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Question # 11
The value of g at a height one Earth's radius above the surface of the earth is:
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2g
1/2 g
1/3 g
1/4 g
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Question # 12
The value of g at a height one Earth's radius above the surface of the
Earth is:
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2 g
1/2 g
1/3 g1
1/4 g
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Question # 13
At a height of 30 km, atmospheric pressure is:
Choose an answer
101300 Pa
1000 Pa
10000 Pa
101325 Pa
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