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Online Tests
ECAT Physics Chapter 7 Oscillations Online Test MCQs With Answers
Question # 1
The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.
Choose an answer
f
2 f
3 f
1/2 f
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Question # 2
Which of the following forces is responsible for SHM
Choose an answer
Applied force
Restoring force
Fractional force
Elastic force
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Question # 3
If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:
Choose an answer
k/2
2 k
4 k
None of these
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Question # 4
The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:
Choose an answer
f
2 f
3 f
1/2 f
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Question # 5
The unit of spring constant is:
Choose an answer
J-sec
Metre
Nm
-1
None of these
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Question # 6
The time period of a simple pendulum is independent of its:
Choose an answer
Length
Mass
Value of g
Both A and B
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Question # 7
Distance covered during one vibration of an oscillating body in terms of amplitude A is:
Choose an answer
A
2 A
3 A
4 A
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Question # 8
Hertz is unit of:
Choose an answer
Time period
Displacement
Amplitude
Frequency
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Question # 9
To and fro motion of a body is about its mean position is known as:
Choose an answer
Translatory motion
Vibratory motion
Rotatory motion
None of these
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Question # 10
In vibrational motion(SHM)
Choose an answer
P.E remains conserved
Average K.E remain constant
Neither P.E nor K.E remains constant
Total energy remains constant
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Question # 11
When quarter of a circle is completed, phase of vibration is:
Choose an answer
90
°
180
°
45
°
360
°
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Question # 12
Which of the following quantity for particle executing SHM is non-zero at mean position
Choose an answer
Force
Acceleration
Velocity
Displacement
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Question # 13
The body oscillates due to ______ accelerates and overshoots the rest position due to _______
Choose an answer
Applied force, Inertia
Restoring force, Friction
Frictional force, Inertia
Restoring force, Inertia
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Question # 14
The S.I unit of frequency is
Choose an answer
Vibrations s
-2
Ms
-1
Hertz
s
-1
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