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

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

Question # 2

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

Question # 3

The string of a simple pendulum should be:

Question # 4

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

Question # 5

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 # 6

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

Question # 7

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

Question # 8

A particle moving uniformly along circle its projection along diameter performs

Question # 9

The maximum distance of body from mean position when body is executing SHM is called

Question # 10

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

Question # 11

The time period of a simple pendulum is independent of its:

Question # 12

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

Question # 13

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

Question # 14

The restoring force is ______ and opposite tot he applied force within ______

Question # 15

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

Question # 16

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 17

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 18

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

Question # 19

Which one of the following is an example of SHM

Question # 20

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

Question # 21

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

Question # 22

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 # 23

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

Question # 24

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

Question # 25

Amplitude in SHM is equivalent to ______ in circular motion

Question # 26

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

Question # 27

Acceleration of body executing SHM is always directed towards

Question # 28

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

Question # 29

An object undergoes SHM. Its maximum equilibrium positions:

Question # 30

The S.I unit of frequency is

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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 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 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
4 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
5 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
6 To and from motion of a body about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
7 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
8 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:
A. 1.5 sec
B. 2.0 sec
C. 2.3 sec
D. 2.5 sec
9 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:
A. 4 gms
B. 0.4 gms
C. 40 gms
D. None of these
10 The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:
A. f
B. 2 f
C. 3 f
D. 1/2 f

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