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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
A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:
Question # 2
The restoring force is always directed towards:
Question # 3
An object undergoes SHM. Its maximum equilibrium positions:
Question # 4
When quarter of a circle is completed, the phase of vibration is:
Question # 5
If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:
Question # 6
The string of a simple pendulum should be:
Question # 7
The acceleration of body executing SHM is directly proportional to
Question # 8
The SI unit of spring constant is identical with that of:
Question # 9
Which of the following is an example of SHM(in ideal situations)
Question # 10
The body oscillates due to ______ accelerates and overshoots the rest position due to _______
Question # 11
Amplitude in SHM is equivalent to ______ in circular motion
Question # 12
A body with frequency of would complete one vibration in:
Question # 13
An object in SHM will have maximum speed when its displacement from equilibrium position is:
Question # 14
When a body is vibrating, the displacement from mean position
Question # 15
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:
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ECAT Physics Chapter 7 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The acceleration of body executing SHM is directly proportional to |
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
|
| 2 | To and from motion of a body about its mean position is known as: |
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
|
| 3 | Which of the following forces is responsible for SHM |
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
|
| 4 | Amplitude in SHM is equivalent to ______ in circular motion |
A. Diameter
B. Radius
C. Circumference
D. None of these
|
| 5 | Hertz is unit of: |
A. Time period
B. Displacement
C. Amplitude
D. Frequency
|
| 6 | The body oscillates due to _____ accelerates and overshoots the rest position due to______,: |
A. Applied force, inertial
B. Restoring force, friction
C. Frictional force, inertial
D. Restoring force, inertial
|
| 7 | If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be: |
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these
|
| 8 | An oscillating body oscillates due to: |
A. Applied force
B. Restoring force
C. Frictional force
D. None of these
|
| 9 | In vibrational motion(SHM) |
A. P.E remains conserved
B. Average K.E remain constant
C. Neither P.E nor K.E remains constant
D. Total energy remains constant
|
| 10 |
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
|
Test Questions