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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
If an object is moving with a uniform changing speed then speed time graph .
Choose an answer
Variable
Parallel to time axis
Straight line
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Question # 2
In prefix form, 0.000001 would be expressed as.
Choose an answer
0.1 mm
0.01 mm
0.001 mm
0.0001 mm
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Question # 3
Specific heat of water is J kg
-1
K
-1
IS:
Choose an answer
4200
4000
1000
2500
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Question # 4
Thermal conductivity of iron is Wm
-1
K
-1
Choose an answer
85
36
89
86
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Question # 5
If an object is moving with constant speed then its distance time graph will be a straight line.
Choose an answer
Along time -axis
Along distance -axis
Inclined to time - axis
Parallel to time-axis
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Question # 6
The work done in lifting a brick of mass 2 kg through a height of 5 m above the ground will be:
Choose an answer
2.5 J
12.5 J
50 J
100 J
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Question # 7
If mass of body is 10 kg travelling with speed of light, how much energy is generated?
Choose an answer
E = 9 × 1017 J
E = 9 × 1015 J
E = 9 × 1018 J
E = 9 × 1016 J
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Question # 8
Newton's law of gravitation resembles with
Choose an answer
1st law of motion
2nd law of motion
3rd law of motion
Law of gravitation
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Question # 9
A black dull surface is a good ________ of heat:
Choose an answer
Emitter
Absorber
Reflector
Both A and B
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Question # 10
In which hot liquid can remains hot:
Choose an answer
Glass
Lead
Thermos
Hot pot
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Question # 11
On heating the strip, ___________ expands more than_______
respectively.
Choose an answer
Brass, Iron
Iron, Brass
Copper, brass
Brass, copper
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Question # 12
Normal human body temperature is
Choose an answer
15oC
37oC
37oF
98.6oC
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Question # 13
The orbital speed of a low orbit satellite is:
Choose an answer
Zero
8 ms
-1
800 ms
-1
8000 ms
-1
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