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

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

Question # 2

Hertz is unit of:

Question # 3

Amplitude is the displacement of the vibrating body from:

Question # 4

The acceleration of body executing SHM is directly proportional to

Question # 5

The unit of spring constant is:

Question # 6

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

Question # 7

The SI unit of spring constant is identical with that of

Question # 8

Amplitude in SHM is equivalent to ______ in circular motion

Question # 9

Second's pendulum is the pendulum whose time period is:

Question # 10

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

Question # 11

Which of the following forces is responsible for SHM

Question # 12

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

Question # 13

The displacement of body executing SHM is

Question # 14

Velocity of particle executing SHM will be maximum at

Question # 15

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

Question # 16

A body with frequency of would complete one vibration in:

Question # 17

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

Question # 18

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

Question # 19

A body with frequency would complete one vibration in:

Question # 20

The restoring force is always directed towards:

Question # 21

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

Question # 22

Free oscillations are always produced by:

Question # 23

The time taken to complete one vibration is called:

Question # 24

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

Question # 25

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

Question # 26

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 # 27

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

Question # 28

The wave form of SHM is

Question # 29

In vibrational motion(SHM)

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
4 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
5 The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.
A. f
B. 2 f
C. 3 f
D. 1/2 f
6 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these
7 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
8 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
9 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
10 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these

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