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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Ship and boats are designed on the principal of
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Charge
Densities
Volume
Floatation
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Question # 2
Which of the substance is the lightest one?
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Copper
Mercury
Aluminim
Lead
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Question # 3
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 # 4
Moon complete it's one revolution around earth is days:
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22
23
27.3
25
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Question # 5
If the direction of motion of the force is perpendicular to the direction of motion of the body, then work done will be
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Maximum
Minimum
Zero
None of these
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Question # 6
Rocket works on principle of ______________
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Action Reaction
Law of inertia
Mass energy
Nil
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Question # 7
In gases, heat in mainly transferred by:
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Molecular collision
Conduction
Convection
Radiaiton
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Question # 8
_____________ is an other unit of power.
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J
W
hp
W/J
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Question # 9
Water freezes at
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0oF
32oF
273 K
0 K
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Question # 10
One liter is equal to:
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1 kgcm-3
1000 cm-3
10-6 m3
10-3 m3
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Question # 11
Atmospheric pressure acts in:
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upward direction
Down ward direction
Opposite of force
All direction
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Question # 12
During the hot summer day the vlaue of atomospheric pressure is:
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Increase
Decreases
Constant
None of these
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Question # 13
Process by which liquids changes into vapors is ............... .
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Vaporization
Evaporation
Boiling
None of above
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