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Online Tests
Physics 9th Class English Medium Online Test MCQs With Answers
Question # 1
The ratio of output to input is called:
Choose an answer
work
Efficiency
Force
All of above
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Question # 2
SI unit of pressure is pascal, which is equal to
Choose an answer
104 Nm-2
1 Nm-2
102 Nm-2
103 Nm-2
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Question # 3
Two bodies of masses m
1
and m
1
attached to the ends of an inextensible string passing over a frictionless pulley such that both move vertically. The acceleration of the bodies is:
Choose an answer
m1 x m
2
/ m
1
+ m
2
g
m
1
- m
2
/ m
1
+ m
2
g
m
1
+ m
2
/ m
1
- m
3
g
None of these
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Question # 4
Which parameter remain same every where?
Choose an answer
Force
Mass
Weight
Velocity
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Question # 5
Water freezes at
Choose an answer
0oF
32oF
273 K
0 K
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Question # 6
Rocket works on principle of ______________
Choose an answer
Action Reaction
Law of inertia
Mass energy
Nil
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Question # 7
1 MJ=
Choose an answer
10
3
J
10
6
J
10
7
J
10
-3
J
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Question # 8
Which is expert thermal climber:
Choose an answer
Crow
Sparrow
Hawks
None
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Question # 9
The weight of a body is 100 N its weight on moon is :
Choose an answer
0.17 Kg
1.7 N
17 N
170 N
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Question # 10
The work is negative if the angle between force and displacement is:
Choose an answer
0
°
45
°
90
°
180
°
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Question # 11
the to and fro motion of a body about its mean positionis called.
Choose an answer
Circular motion
Random motion
Rotatory motion
Vibratory motion
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Question # 12
How many scales of measurement of temperature are?
Choose an answer
One
Two
Three
Four
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Question # 13
According to Archimedes principle the density of a substance is determined by using formula
Choose an answer
D = w1/w2 + w1 x p
D = w1w2/w2- w1 x p
D = w1/w2 - w1 x p
D = w1w2/w2- w1 x p
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