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

Which one of the following is an example of SHM

Question # 2

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

Question # 3

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

Question # 4

In vibrational motion(SHM)

Question # 5

When a body is vibrating, the displacement from mean position:

Question # 6

Which one of the following is an example of SHM:

Question # 7

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

Question # 8

Amplitude in SHM is equivalent to_____ in circular motion:

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 wave form of SHM is

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

A body with frequency would complete one vibration in:

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 restoring force is always directed towards:

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

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 # 22

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

Question # 23

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

Question # 24

An object undergoes SHM. Its maximum equilibrium positions:

Question # 25

Velocity of particle executing SHM will be maximum at

Question # 26

SHM is type of ______ motion

Question # 27

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

Question # 28

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

Question # 29

The acceleration of body executing SHM is directly proportional to

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
3 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
4 When a body is vibrating, the displacement from mean position
A. Increases with time
B. Decreases with time
C. Changes with time
D. None of these
5 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
6 The restoring force is ______ amd opposite to the applied force within _____:
A. Equal, elastic limit
B. Different, the walls of the laboratory
C. Different, elastic limit
D. None of these
7 The body oscillates due to ______ accelerates and overshoots the rest position due to _______
A. Applied force, Inertia
B. Restoring force, Friction
C. Frictional force, Inertia
D. Restoring force, Inertia
8 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
9 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
10 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these

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