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

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

Question # 2

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

Question # 3

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

Question # 4

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 5

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

Question # 6

Vibratory motion is always under

Question # 7

The time taken to complete one vibration is called:

Question # 8

The string of a simple pendulum should be:

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

An object undergoes SHM. Its maximum equilibrium positions:

Question # 13

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

Question # 14

Velocity of particle executing SHM will be maximum at

Question # 15

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

Question # 16

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

Question # 17

An oscillating body oscillates due to:

Question # 18

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

Question # 19

The unit of spring constant is:

Question # 20

In vibrational motion(SHM)

Question # 21

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

Question # 22

Which of the following forces is responsible for SHM

Question # 23

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

Question # 24

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

Question # 25

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

Question # 26

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 27

The S.I unit of frequency is

Question # 28

The displacement of body executing SHM is

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
2 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
3 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
4 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
5 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
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 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 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
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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