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11th Class Part 1 Physics Test Online MCQs With Answers
Question # 1
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Question # 2
Velocity of sound is independent of
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Temperature
Density
Pressure
Medium
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Question # 3
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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Question # 4
When velocity time graph is a straight line parallel to time axis then
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Velocity is zero
Acceleration is constant
Acceleration is zero
Velocity is variable
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Question # 5
The final image formed by a simple microscope.
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Virtual and inverted
Real and erected
Virtual and erected
Real and inverted
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Question # 6
Close orbiting satellites orbit the earth at a height of about
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400 km
4000 km
400 m
400 cm
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Question # 7
The velocity of a projectile is maximum
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At the highest point
At point of launching and just before striking the ground
At half of the height
After striking the ground
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Question # 8
the distance covered during one vibration of an oscillating body in terms of amplitude 'A' is
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A/2
A
2A
4A
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Question # 9
If the object is at 5 cm from the lens of simple microscope than its magnifying power will be.
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5
10
15
25
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Question # 10
The mechanism of transports energy of all the waves is
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Different
Same
Complicated
Easy
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Question # 11
Height of projectile is maximum at an angle of.
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45
o
60
o
30
o
90
o
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Question # 12
the wavelength of transverse wave travelling with a speed 'v' having frequency 'f' in equal to
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f/v
Vf
V/f
f/V2
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Question # 13
A body rotating with angular velocity of 2 radian/s and linear velocity is also 2 ms-1, then radius of circle is.
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1 m
0.5 m
4 m
2 m
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Question # 14
An ideal heat engine can only be 100% efficient if its cold temperature reservoir is at.
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0 K
0
o
C
100 K
100
o
C
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Question # 15
The speed of sound increases with the increase of in
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Pressure
Volume
Temperature
Density
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Question # 16
The direction of angular velocity of along the
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Tangent at that point
Axis of rotation
Radius towards the centre
Radius away from the centre
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Question # 17
100 radians are equal to.
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57.3
o
75.3
o
573
o
5730
o
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Question # 18
The dimensional of potential energy per unit volume are same as that of.
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Work
Pressure
Speed
Density
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Question # 19
The ratio of the velocities of wate in a pipe lying horizontally at two ends is 1 : 4 The ratio of diameters of pipe at these two ends is.
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1 : 2
2 : 1
1 : 4
4 : 1
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Question # 20
An oscillating mass-spring system produces
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Sound waves
Electromagnetic waves
Light waves
Periodic waves
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Question # 21
Before the launch of a rocket the mass of fuel of the rocket is approximately consists of.
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60%
50%
80%
100%
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Question # 22
Information carrying capacity of optical fibre called.
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Capacity
Band width
Immunity
Ability
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