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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Dogs sweat through:
Choose an answer
Tongue
Legs
Skin
Glands
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Question # 2
The scientist who notice that all the freely falling objects hae same acceleration.
Choose an answer
Einstein
Galileo
Coulomb
Newton
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Question # 3
Dull black surface is a best:
Choose an answer
Emitter
Absorber
Reflector
None of these
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Question # 4
1 Newton =_________
Choose an answer
1 kg ms
-2
1 kg ms
1 kg m
-1
s
-2
1 kg
-1
m
-1
s
-1
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Question # 5
in isolated system the momentum after collision of two bodies.
Choose an answer
Increase
Constnat
Decrease
Zero
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Question # 6
What will be the value of β for a solid for which α has a value of 2 x 10
-5
C
-1
Choose an answer
2 x 10
-5
K
-1
6 x 10
-5
K
-1
8 x 10
-15
K
-1
8 x 10
-5
K
-1
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Question # 7
If the direction of motion of the force is perpendicular to the direction of motion of the body then work done will be:
Choose an answer
Maximum
Minimum
Zero
None of these
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Question # 8
If the applied force is 'F' and its moment arm is 'r' then torque is defined as
Choose an answer
τ = rF
τ = r2F
τ = r + F
τ = 2rF
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Question # 9
Friction is caused by :
Choose an answer
Shining surface
Rough surface
Polished surface
Nil
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Question # 10
The momentum of two or more than two bodies intersacting remain constant in:
Choose an answer
Law of inertia
Isolated system
System
None
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Question # 11
1 mega watt is equal to:
Choose an answer
10
2
W
10
3
W
10
5
W
10
6
W
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Question # 12
Pressure is quantity:
Choose an answer
Scalar
Vector
Constnat
Dependent
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Question # 13
The changing of a liquid into vapours from the surface of the liquid
without heating:
Choose an answer
Cooling
Vaporization
Evaporation
Sublimation
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