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MCQ's Test For ECAT Physics Chapter 7 Oscillations
Try The MCQ's Test For ECAT Physics Chapter 7 Oscillations
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Total Questions15
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Time Allowed20
ECAT Physics Chapter 7 Oscillations
00:00
Question # 1
If time period of a pendulum is doubled by increasing its length, then its frequency will
Question # 2
When quarter of a circle is completed, phase of vibration is:
Question # 3
The time taken to complete one vibration is called:
Question # 4
Which of the following forces is responsible for SHM
Question # 5
A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:
Question # 6
To and from motion of a body about its mean position is known as:
Question # 7
The body oscillates due to ______ accelerates and overshoots the rest position due to _____:
Question # 8
If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:
Question # 9
When quarter of a circle is completed, the phase of vibration is:
Question # 10
The S.I unit of frequency is
Question # 11
Free oscillations are always produced by:
Question # 12
The displacement of body executing SHM is
Question # 13
The body oscillates due to ______ accelerates and overshoots the rest position due to _______
Question # 14
The restoring force is ______ amd opposite to the applied force within _____:
Question # 15
A particle executes SHM with frequency. The frequency with which its K.E oscillates is
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ECAT Physics Chapter 7 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | A body with frequency of would complete one vibration in: |
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
|
| 2 | The body oscillates due to ______ accelerates and overshoots the rest position due to _______ |
A. Applied force, Inertia
B. Restoring force, Friction
C. Frictional force, Inertia
D. Restoring force, Inertia
|
| 3 | If time period of a pendulum is doubled by increasing its length, then its frequency will |
A. Also be doubled
B. Become half
C. Become one fourth
D. Becomes four times
|
| 4 | Hertz is unit of: |
A. Time period
B. Displacement
C. Amplitude
D. Frequency
|
| 5 | The string of a simple pendulum should be: |
A. Heavy
B. Extensible
C. In-extensible
D. None of these
|
| 6 | The unit of spring constant is: |
A. J-sec
B. Metre
C. Nm-1
D. None of these
|
| 7 | If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be: |
A. 1 cm
B. 1 m
C. 10 mm
D. None of these
|
| 8 | In SHM, there is always a constant ratio between displacement if body and its: |
A. Velocity
B. Period
C. Mass
D. Acceleration
|
| 9 | A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle: |
A. Circular motion, circumference
B. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
|
| 10 | The restoring force is ______ and opposite tot he applied force within ______ |
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
|
Test Questions