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

In vibrational motion(SHM)

Question # 2

Free oscillations are always produced by:

Question # 3

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

Question # 4

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

Question # 5

An oscillating body oscillates due to:

Question # 6

Vibratory motion is always under

Question # 7

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

Question # 8

A body with frequency would complete one vibration in:

Question # 9

The time taken to complete one vibration is called:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

The wave form of SHM is

Question # 17

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

Question # 18

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 # 19

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

Question # 20

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

Question # 21

The displacement of body executing SHM is

Question # 22

When a body is vibrating, the displacement from mean position

Question # 23

Which one of the following is an example of SHM

Question # 24

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

Question # 25

SHM is type of ______ motion

Question # 26

The time period of a simple pendulum is independent of its:

Question # 27

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

Question # 28

Amplitude is the displacement of the vibrating body from:

Question # 29

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 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
4 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
5 If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:
A. 1 cm
B. 1 m
C. 10 mm
D. None of these
6 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
7 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
8 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
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 Amplitude is the displacement of the vibrating body from:
A. One extreme position to the other extreme position
B. Mean position any one extreme position
C. Both A and B are correct
D. None of these

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