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

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

Question # 2

The S.I unit of frequency is

Question # 3

Hertz is unit of:

Question # 4

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

Question # 5

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

Question # 6

Amplitude in SHM is equivalent to ______ in circular motion

Question # 7

Which one of the following is an example of SHM

Question # 8

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

Question # 9

A body with frequency would complete one vibration in:

Question # 10

An object undergoes SHM. Its maximum equilibrium positions:

Question # 11

A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:

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

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

Question # 14

Which one of the following is an example of SHM:

Question # 15

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

Question # 16

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 # 17

The acceleration of body executing SHM is directly proportional to

Question # 18

A body with frequency of would complete one vibration in:

Question # 19

An oscillating body oscillates due to:

Question # 20

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

Question # 21

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Question # 22

The displacement of body executing SHM is

Question # 23

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

Question # 24

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

Question # 25

A spring of constant k = 0.4 N m-1is to be extended thorugh 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:

Question # 26

The wave form of SHM is

Question # 27

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

Question # 28

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

Question # 29

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 # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
3 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
4 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
5 To and fro motion of a body is about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
6 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
7 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
8 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
9 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
10 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest

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