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

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

Question # 2

A body with frequency would complete one vibration in:

Question # 3

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 # 4

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

Question # 5

The unit of spring constant is

Question # 6

The wave form of SHM is

Question # 7

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Question # 8

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

Question # 9

A body with frequency of would complete one vibration in:

Question # 10

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

Question # 11

Acceleration of body executing SHM is always directed towards

Question # 12

To and fro motion of a body is about its mean position is known as:

Question # 13

Which of the following is an example of SHM(in ideal situations)

Question # 14

An oscillating body oscillates due to:

Question # 15

Hertz is unit of:

Question # 16

Distance covered during one vibration of an oscillating body in terms of amplitude A is:

Question # 17

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 18

In vibrational motion(SHM)

Question # 19

Free oscillations are always produced by:

Question # 20

The acceleration of body executing SHM is directly proportional to

Question # 21

If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:

Question # 22

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

Question # 23

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

Question # 24

The restoring force is ______ amd opposite to the applied force within _____:

Question # 25

Vibratory motion is always under

Question # 26

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

Question # 27

SHM is type of ______ motion

Question # 28

Which of the following quantity for particle executing SHM is non-zero at mean position

Question # 29

The string of a simple pendulum should be:

Question # 30

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

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ECAT Class Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
2 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
3 An angle of 180° in circular motion is equivalent to ______ in SHM.
A. Half the vibration
B. One vibration
C. 3/4th of a vibration
D. None of these
4 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:
A. 1.5 sec
B. 2.0 sec
C. 2.3 sec
D. 2.5 sec
5 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
6 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
7 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
8 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
9 If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:
A. k/2
B. 2 k
C. 4 k
D. None of these
10 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these

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