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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
Hertz is unit of:
Question # 2
When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:
Question # 3
In vibrational motion(SHM)
Question # 4
The body oscillates due to ______ accelerates and overshoots the rest position due to _______
Question # 5
If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:
Question # 6
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 # 7
The body oscillates due to _____ accelerates and overshoots the rest position due to______,:
Question # 8
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 # 9
The maximum distance of body from mean position when body is executing SHM is called
Question # 10
The wave form of SHM is
Question # 11
If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:
Question # 12
Amplitude is the displacement of the vibrating body from:
Question # 13
An angle of 180° in circular motion is equivalent to ______ in SHM.
Question # 14
Second's pendulum is the pendulum whose time period is:
Question # 15
A body with frequency would complete one vibration in:
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A ali moid 22 - Jul - 2024 00 Min 54 Sec 60/60 -
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M Muhammad Hashim 01 - Jun - 2024 01 Min 57 Sec 50/60 -
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A Asad watto 02 - Jun - 2024 04 Min 13 Sec 50/60 -
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ECAT Physics Chapter 7 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | If a force of 0.05 N produces an elongation of 20 mm in a 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
|
| 3 | 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
|
| 4 | To and fro motion of a body is about its mean position is known as: |
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
|
| 5 | Free oscillations are always produced by: |
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
|
| 6 | The unit of spring constant is: |
A. J-sec
B. Metre
C. Nm-1
D. None of these
|
| 7 | The graph showing the variation of displacement with time is a: |
A. Sine curve
B. Straight line
C. Parabola
D. None of these
|
| 8 |
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
|
| 9 | Distance covered during one vibration of an oscillating body in terms of amplitude A is: |
A. A
B. 2 A
C. 3 A
D. 4 A
|
| 10 | The time period of a simple pendulum is independent of its: |
A. Length
B. Mass
C. Value of g
D. Both A and B
|
Test Questions