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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The speed of satellites in GPS is:
Choose an answer
8.73 kms
-1
3.87 ms
-1
32 ms
-1
3.87 kms
-1
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Question # 2
Convection of heat is a process of heat transfer due to;
Choose an answer
Random motion of molecules
Downward motion of molecules
Upward motion of molecules
Free motion of molecules
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Question # 3
The formula of conversion of Celsius into Kelvin is:
Choose an answer
Tk = 273 - C
o
Tk = 273 + C
o
F = 1.8 + 32
All of these
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Question # 4
___________ varies with height.
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Weight
Pressure
Mass
Energy
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Question # 5
Liquid pressure at depth h is:
Choose an answer
p/gh
h/pg
pgh
i/pgh
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Question # 6
Kgms
-2
is equal to:
Choose an answer
Joule
Mole
Newton
Watt
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Question # 7
An increasing with decline in atmospheric pressure cause:
Choose an answer
Rainy condition
Pleasent condition
Windy condition
Intense condition
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Question # 8
Which is expert thermal climber:
Choose an answer
Crow
Sparrow
Hawks
None
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Question # 9
Hydraulic press is a machine which works on:
Choose an answer
Hook's law
Pascal's law
Boyle's law
Archimedes principle
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Question # 10
The Earth is surrounded by a cover of air called
Choose an answer
Atmosphere
Solid
Environment
Surroundings
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Question # 11
In Einstein's mass-energy equation ,c is the
Choose an answer
Speed of sound
Speed of light
Speed of electron
Speed of Earth
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Question # 12
If Fx and Fy are rectangular components of vector F, then its direction is determined by the relation
Choose an answer
θ = sin-1 Fv/Fx
θ = tan-1 Fx/Fy
θ = tan Fx/Fy
θ = tan Fy/Fx
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Question # 13
One Megawatt is equal to :
Choose an answer
1 × 106 w
1 × 102 kw
1015 w
Nil
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