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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 acceleration of body executing SHM is directly proportional to
Question # 2
An angle of 180° in circular motion is equivalent to ______ in SHM.
Question # 3
If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:
Question # 4
A body with frequency of would complete one vibration in:
Question # 5
The restoring force is _____ and opposite to the applied force within ______,:
Question # 6
The restoring force is ______ and opposite tot he applied force within ______
Question # 7
Vibratory motion is always under
Question # 8
In SHM, the acceleration is ______ when velocity is _____:
Question # 9
The number of vibration in two seconds can be expressed as
The number of vibration in two seconds can be expressed as______ of frequency of vibration is f:
Question # 10
If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:
Question # 11
The SI unit of spring constant is identical with that of:
Question # 12
An oscillating body oscillates due to:
Question # 13
A particle executes SHM with frequency. The frequency with which its K.E oscillates is
Question # 14
If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:
Question # 15
Velocity of particle executing SHM will be maximum at
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ECAT Physics Chapter 7 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The wave form of SHM is |
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
|
| 2 | In SHM, there is always a constant ratio between displacement if body and its: |
A. Velocity
B. Period
C. Mass
D. Acceleration
|
| 3 | Hertz is unit of: |
A. Time period
B. Displacement
C. Amplitude
D. Frequency
|
| 4 | If there identical strings each of constant K are hooked together the spring constant of resultant spring will be: |
A. 3 K
B. 2 K
C. K/4
D. K/3
|
| 5 | Free oscillations are always produced by: |
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
|
| 6 | 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
|
| 7 | A body with frequency would complete one vibration in: |
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
|
| 8 | SHM is type of ______ motion |
A. Vibratory
B. Linear
C. Circular
D. None
|
| 9 | 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: |
A. 4 gms
B. 0.4 gms
C. 40 gms
D. None of these
|
| 10 | 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
|
Test Questions