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Online Tests
11th Class Part 1 Physics Chapter 5 Test Online MCQs With Answers
Question # 1
Einstein's theory gives us the physical picture of how the
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Body moves
Gravity works
Moment of inertia produced
Weightlessness creates
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Question # 2
Moment of inertia is measure din
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Kg m2
Kg m-2
Rad s-1
Joule second
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Question # 3
Artificial gravity can be created in the space ship by
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Revolving around the earth
Spinning around its own axis
Increasing its velocity
Decreasing it svelocity
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Question # 4
Which quantity of the following is dimensionless.
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Angular velocity
Centripetal force
Angular acceleration
Angular displacement
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Question # 5
The moment of inertia is analogue to
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Mass
Weight
Torque
Force
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Question # 6
An elevator is moving up with an acceleration equal to 'g' An apparent weight of the body in an elevator is.
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Zero
Equal to real weight
2 mg
3 mg
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Question # 7
When a body is whirled in a horizontal circle by means of string, the centripetal force is supplied by
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Mass of body
Velocity of a body
Tension in the string
Centripetal acceleration
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Question # 8
Which one of the following is into directed along the axis of rotation
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Angular acceleration
Angular momentum
Centripetal acceleration
Angular displacement
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Question # 9
A 60 kg man in an elevator is moving upward with an acceleration of 9.8 ms-2. The apparent weight of the man.
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Increase
Decreases
Remain constant
Becomes zero
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Question # 10
the angular version of F= ma is
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L = 1w
pi = 1a
l = pi a
f = mv/t
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Question # 11
The diver spins faster when moment of inertia becomes.
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smaller
Greater
Constant
Zero
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Question # 12
Height of geo stationary orbit of the satellite above the earth is.
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300 km
250 km
400 km
None of these
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Question # 13
A man of 1 kg is freefalling. The force of gravity is
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1 N
9.8 N
0.5 N
Zero
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Question # 14
All point of the rigid body rotating about a fixed axis do not have same.
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Angular acceleration
Angular speed
speed
Angular displacement
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Question # 15
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Question # 16
A communication satellite is used ot reflect the signal of.
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Microwaves
Radio waves
y rays
x -rays
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Question # 17
How many orbiting satellites from the Global positing system.
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3
12
24
22
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