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Online Tests
11th Class Part 1 Physics Chapter 7 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
A swing is good example of
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Resonance
Vibration
Time period
Oscillation
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Question # 3
Angular frequency is the characteristic of
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Linear motion
Vibratory motion
Circular motion
All of these
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Question # 4
The motion of a simple pendulum is the example of
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Vibratory motion
Rotatory motion
Periodic motion
Both a and c
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Question # 5
The mathematical expression for the restoring force is.
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F = kx
F = ma
F = dp/dt
F = -kx
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Question # 6
One complete round trip of a vibrating body is called.
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Frequency
Time period
Vibration
Amplitude
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Question # 7
Second pendulum has a time period
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1 sec
3 sec
2 sec
4 sec
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Question # 8
The frequency of 2nd pendulum is
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0.5 Hz
1 Hz
1.5 Hz
2 Hz
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Question # 9
the acceleration of a body having SHM, depends upon its.
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Time period
Amplitude
Frequency
Displacement from mean position
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Question # 10
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 # 11
When a body is vibrating its displacement from mean position
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Remains constant
Changes with time
Become(-)ve
None of these
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Question # 12
Frequency 'f' and time period 'T' are related as
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Question # 13
The frequency of waves produced in microwave oven is
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1435 Hz
2450 MHz
1860 MHz
2850 Hz
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Question # 14
Time period of simple pendulum depends upon
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Mass of pendulum
Weight of pendulum
Length of pendulum
Shape of pendulum
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Question # 15
A spring has a spring constant k. If it is cut in two equal parts, the spring constant of each part will be
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K
2 K
K/2
4K
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Question # 16
Damping is the process in which energy
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Increases
Remains constant
Dissipates
None of these
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Question # 17
The product of time period and frequency is.
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Zero
1
2
3
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Question # 18
The time period of an oscillating mass spring system is 10 second. If mass attached to spring id doubled then time period becomes.
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10 sec
20 sec
5 sec
None of these
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Question # 19
The produce oscillation, body is pulled away from its
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Mean position
Extreme position
Both a and b
None of these
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Question # 20
The wavelength of wave produced by microwave oven is.
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12 cm
12 m
18 m
18 cm
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Question # 21
If the time period of simple pendulum is 2 seconds its frequency will be.
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1 Hz
0.5 Hz
1.5 Hz
2 Hz
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Question # 22
The acceleration produced by elastic restoring force is
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Perpendicular to force
Opposite to force
In same direction as force
Zero
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Question # 23
In S.H.M, the acceleration of the body is directly proportional to
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Weight of body
Applied force
Amplitude
Displacement
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Question # 24
If amplitude of a simple pendulum is increased by 4 times the time period will be.
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Four times
Half
Same
Two times
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