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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
The unit of spring constant is
Question # 2
The time period of a simple pendulum is independent of its:
Question # 3
A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:
Question # 4
Hertz is unit of:
Question # 5
If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:
Question # 6
Amplitude in SHM is equivalent to ______ in circular motion:
Question # 7
Which of the following quantity for particle executing SHM is non-zero at mean position
Question # 8
A spring of constant k = 0.4 N m-1is to be extended thorugh 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:
Question # 9
Vibratory motion is always under
Question # 10
The SI unit of spring constant is identical with that of:
Question # 11
A body with frequency of would complete one vibration in:
Question # 12
The maximum distance of body from mean position when body is executing SHM is called
Question # 13
Which of the following forces is responsible for SHM
Question # 14
The restoring force is ______ amd opposite to the applied force within _____:
Question # 15
Acceleration of body executing SHM is always directed towards
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A ali moid 22 - Jul - 2024 00 Min 54 Sec 60/60 -
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Z Zain hassan Zain 23 - May - 2024 02 Min 23 Sec 45/60
ECAT Physics Chapter 7 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | When a body is vibrating, the displacement from mean position: |
A. Increases with time
B. Decreases with time
C. Changes with time
D. None of these
|
| 2 | 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
|
| 3 | The graph showing the variation of displacement with time is a: |
A. Sine curve
B. Straight line
C. Parabola
D. None of these
|
| 4 | The restoring force is ______ amd opposite to the applied force within _____: |
A. Equal, elastic limit
B. Different, the walls of the laboratory
C. Different, elastic limit
D. None of these
|
| 5 | Second's pendulum is the pendulum whose time period is: |
A. 1 second
B. 2 second
C. 3 second
D. None of these
|
| 6 | The SI unit of spring constant is identical with that of |
A. Force
B. Surface tension
C. Pressure
D. Loudness
|
| 7 |
The number of vibration in two seconds can be expressed as ______ of frequency of vibration is f:
|
A. f
B. 2 f
C. 3 f
D. 1/2 f
|
| 8 | When quarter of a cycle is completed, the phase of vibration is: |
A. 90°
B. 180°
C. 45°
D. 360°
|
| 9 | If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be: |
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
|
| 10 | Which of the following forces is responsible for SHM |
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
|
Test Questions
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