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Online Tests
11th Class Part 1 Physics Test Online MCQs With Answers
Question # 1
The amplitude of a vibrating body at resonance in vacuum is
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Minimum
Maximum
Zero
Infinite
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Question # 2
Stars moving away from Earth show a
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Green shift
Blue shift
Red shift
Yellow shift
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Question # 3
The diameter of a lens is called
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Focal length
Aperture
Principle axis
Centre
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Question # 4
A man of 5000 kg moves with an acceralation of 1 ms-2 force acting on it is.
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5 N
500 N
50 N
5000 N
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Question # 5
The space within which gravitational force acts on a body is called
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Electric field
Gravitational field
Magnetic field
Force field
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Question # 6
In the absence of air resistance the acceleration of a body will be
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Uniform
Variable
Instantaneous
None of these
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Question # 7
When two waves of same frequency travel in opposite direction, the phenomenon will be
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Diffraction
Stationary waves
Polarization
Interference
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Question # 8
If the initial velocity of a projectile becomes doubled, the time of fight will be.
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Same
4 times
Double
3 times
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Question # 9
In the absence of external force, the change in momentum is.
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Zero
Constant
Decreasing
Increasing
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Question # 10
The distance between the consecutive nodes is
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Question # 11
At what speed the momentum and kinetic energy of a body having the same.
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1 ms-1
2 ms-1
4 ms-1
8 ms-1
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Question # 12
The number of spark plug needed in diesel engine is
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0
2
3
4
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Question # 13
The speed of sound in ari at 0
o
C is 332 ms-1, Then the speed at 40
o
C will be
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372 ms-1
356 ms-1
346 ms-1
332 ms-1
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Question # 14
Which one of the following force cannot do any work on the particle on which it acts.
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Fractional force
Gravitational force
Electrostatic force
Centripetal force
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Question # 15
What would encourage trade between two countries
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Different tax system
Frontier checks
National currencies
reduced tariffs
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Question # 16
The equations of motion hold good for
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Variable acceleration
Uniform acceleration
Centripetal acceleration
All of these
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Question # 17
A man weight 1000 N in a stationary lift. If the lift moves up with an acceleration of 10 ms-2. then its weight becomes.
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1000 N
2000 N
3000 N
0 N
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Question # 18
When the amplitude of a wave is increase to doubled is energy.
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Remain the same
Increases 4 times
Increases by two times
Decreases by half
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