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 time period of a simple pendulum is independent of its:

Question # 2

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

Question # 3

The unit of spring constant is

Question # 4

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

Question # 5

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

Question # 6

The SI unit of spring constant is identical with that of:

Question # 7

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

Question # 8

Hertz is unit of:

Question # 9

A spring of constant k = 0.4 N m-1is to be extended through 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:

Question # 10

When a body is vibrating, the displacement from mean position:

Question # 11

Acceleration of body executing SHM is always directed towards

Question # 12

A body with frequency would complete one vibration in:

Question # 13

If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

Question # 14

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

Question # 15

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

Question # 16

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 17

The string of a simple pendulum should be:

Question # 18

The S.I unit of frequency is

Question # 19

The restoring force is always directed towards:

Question # 20

Which one of the following is an example of SHM:

Question # 21

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

Question # 22

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 23

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

Question # 24

SHM is type of ______ motion

Question # 25

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

Question # 26

Free oscillations are always produced by:

Question # 27

Which one of the following is an example of SHM

Question # 28

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

Question # 29

The graph showing the variation of displacement with time is a

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
3 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
4 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these
5 A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:
A. Circular motion, circumference
B. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
6 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
7 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
8 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
9 When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:
A. Increases
B. Decreases
C. Remains constant
D. None of these
10 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second

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