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

Question # 3

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

Question # 4

An object undergoes SHM. Its maximum equilibrium positions:

Question # 5

An oscillating body oscillates due to:

Question # 6

A body with frequency of would complete one vibration in:

Question # 7

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 # 8

Which of the following is an example of SHM(in ideal situations)

Question # 9

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

Question # 10

The unit of spring constant is

Question # 11

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 # 12

The SI unit of spring constant is identical with that of

Question # 13

The time taken to complete one vibration is called:

Question # 14

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

Question # 15

Acceleration of body executing SHM is always directed towards

Question # 16

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

Question # 17

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

Question # 18

Vibratory motion is always under

Question # 19

Amplitude is the displacement of the vibrating body from:

Question # 20

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

Question # 21

The acceleration of body executing SHM is directly proportional to

Question # 22

The unit of spring constant is:

Question # 23

Velocity of particle executing SHM will be maximum at

Question # 24

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

Question # 25

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

Question # 26

SHM is type of ______ motion

Question # 27

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 28

A particle moving uniformly along circle its projection along diameter performs

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
2 Amplitude is the displacement of the vibrating body from:
A. One extreme position to the other extreme position
B. Mean position any one extreme position
C. Both A and B are correct
D. None of these
3 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
4 If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these
5 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
6 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
7 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
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 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
10 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

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