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

A body with frequency would complete one vibration in:

Question # 2

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

Question # 3

A body with frequency of would complete one vibration in:

Question # 4

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

Question # 5

Which one of the following is an example of SHM:

Question # 6

An angle of 180° in circular motion is equivalent to ______ in SHM.

Question # 7

The graph showing the variation of displacement with time is a

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

A particle moving uniformly along circle its projection along diameter performs

Question # 12

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

Question # 13

When a body is vibrating, the displacement from mean position

Question # 14

Acceleration of body executing SHM is always directed towards

Question # 15

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

Question # 16

The wave form of SHM is

Question # 17

Amplitude in SHM is equivalent to ______ in circular motion

Question # 18

SHM is type of ______ motion

Question # 19

Amplitude is the displacement of the vibrating body from:

Question # 20

The SI unit of spring constant is identical with that of

Question # 21

In vibrational motion(SHM)

Question # 22

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

Question # 23

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

Question # 24

The string of a simple pendulum should be:

Question # 25

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

Question # 26

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 27

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

Question # 28

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

Question # 29

The acceleration of body executing SHM is directly proportional to

Question # 30

The graph showing the variation of displacement with time is a:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these
2 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
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 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
5 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
6 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:
A. 4 gms
B. 0.4 gm
C. 40 gms
D. None of these
7 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
8 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
9 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
10 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force

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