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Physics 9th Class English Medium Online Test MCQs With Answers
Question # 1
The rage of change of momentum is equal.
Choose an answer
Mass
Force
Weight
None
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Question # 2
The range of clinical thermometer is:
Choose an answer
90
o
C - 106
o
C
35
o
C - 42
o
C
100
o
C - 132
o
C
24
o
C - 35
o
C
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Question # 3
The value of absolute zero kelving temperature is:
Choose an answer
273
o
C
273
o
K
273
o
F
-273
o
C
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Question # 4
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 # 5
Length of a rod is L∘ on temperature T∘. After heating upto temperature T, its length L becomes
Choose an answer
L = L∘ (1 + αΔT)
L = L∘ (1 + ΔT)
L = L∘ (1 - αΔT)
L = L∘ (1 -ΔT)
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Question # 6
The word science means.
Choose an answer
Intelligence
Nature
Knowledge
Philosphy
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Question # 7
The process in which heat is transfer due to actual movement of molecule is called.
Choose an answer
Conduction
radiation
Convection
All of these
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Question # 8
The value of g on moon's surface is 1.6 ms
-2
. What will be the weight of a a 100 kg body on the surface of the moon?
Choose an answer
100 N
160 N
1000 N
1600 N
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Question # 9
More radiation is reflected by the surface:
Choose an answer
White
Coloured
Black
Rough
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Question # 10
Sliding friction can be changed into rolling friction by using:
Choose an answer
Ball bearing
Roller bearing
Both a and b
None of these
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Question # 11
The product of mass and velocity is called ................. .
Choose an answer
Momentum
Force
Acceleration `
Nil
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Question # 12
Inertia depends upon:
Choose an answer
Weight
Mass
Density
Force
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Question # 13
According to hook's law stress is directly proportional to :
Choose an answer
Area
Volume
Strain
Force
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