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

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

Question # 2

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

Question # 3

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

Question # 4

Velocity of particle executing SHM will be maximum at

Question # 5

Which one of the following is an example of SHM

Question # 6

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

Question # 7

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

Question # 8

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

Question # 9

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

Question # 10

Which one of the following is an example of SHM:

Question # 11

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 12

Vibratory motion is always under

Question # 13

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

Question # 14

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

Question # 15

The time taken to complete one vibration is called:

Question # 16

Hertz is unit of:

Question # 17

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

Question # 18

The wave form of SHM is

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

An object undergoes SHM. Its maximum equilibrium positions:

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

Which of the following forces is responsible for SHM

Question # 27

When a body is vibrating, the displacement from mean position

Question # 28

A body with frequency of would complete one vibration in:

Question # 29

The SI unit of spring constant is identical with that of

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
2 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f
3 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
4 When a body is vibrating, the displacement from mean position:
A. Increases with time
B. Decreases with time
C. Changes with time
D. None of these
5 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
6 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
7 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
8 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
9 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
10 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period

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