ECAT Pre General Science Physics Chapter 7 MCQ Test With Answer

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

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

Question # 3

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

Question # 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:

Question # 5

The SI unit of spring constant is identical with that of

Question # 6

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 7

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

Question # 8

The displacement of body executing SHM is

Question # 9

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

Question # 10

The graph showing the variation of displacement with time is a

Question # 11

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

Question # 12

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

Question # 13

When a body is vibrating, the displacement from mean position

Question # 14

Vibratory motion is always under

Question # 15

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

Question # 16

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

Question # 17

Which one of the following is an example of SHM:

Question # 18

The restoring force is always directed towards:

Question # 19

An object undergoes SHM. Its maximum equilibrium positions:

Question # 20

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

Question # 21

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 22

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

Question # 23

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

Question # 24

The string of a simple pendulum should be:

Question # 25

SHM is type of ______ motion

Question # 26

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

Question # 27

Velocity of particle executing SHM will be maximum at

Question # 28

Acceleration of body executing SHM is always directed towards

Question # 29

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

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 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 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
3 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
4 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
5 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
6 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
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 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
9 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
10 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None

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