ECAT Pre General Science Physics Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 7 Oscillations

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 7 Oscillations

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ECAT Pre General Science Physics Chapter 7 Oscillations

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Question # 1

A body with frequency would complete one vibration in:

Question # 2

In SHM, the acceleration is ______ when velocity is _____:

Question # 3

The displacement of body executing SHM is

Question # 4

Amplitude in SHM is equivalent to_____ in circular motion:

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

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Question # 7

When quarter of a cycle is completed, the phase of vibration is:

Question # 8

The maximum distance of body from mean position when body is executing SHM is called

Question # 9

The string of a simple pendulum should be:

Question # 10

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Question # 11

Which one of the following is an example of SHM

Question # 12

Free oscillations are always produced by:

Question # 13

The wave form of SHM is

Question # 14

If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:

Question # 15

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 16

An object undergoes SHM. Its maximum equilibrium positions:

Question # 17

Amplitude in SHM is equivalent to ______ in circular motion

Question # 18

An oscillating body oscillates due to:

Question # 19

The body oscillates due to _____ accelerates and overshoots the rest position due to______,:

Question # 20

The acceleration of body executing SHM is directly proportional to

Question # 21

Vibratory motion is always under

Question # 22

In SHM, there is always a constant ratio between displacement if body and its:

Question # 23

Which of the following forces is responsible for SHM

Question # 24

A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:

Question # 25

When quarter of a circle is completed, phase of vibration is:

Question # 26

Acceleration of body executing SHM is always directed towards

Question # 27

The restoring force is ______ and opposite tot he applied force within ______

Question # 28

The S.I unit of frequency is

Question # 29

If time period of a pendulum is doubled by increasing its length, then its frequency will

Question # 30

The unit of spring constant is:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
3 The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.
A. f
B. 2 f
C. 3 f
D. 1/2 f
4 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
5 Which of the following is an example of SHM(in ideal situations)
A. Motion of simple pendulum
B. Motion of horizontal spring man system
C. Motion of violin string
D. All of these
6 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
7 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
8 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
9 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
10 Which one of the following is an example of SHM:
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these

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