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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

Which one of the following is an example of SHM:

Question # 6

Which one of the following is an example of SHM

Question # 7

The time taken to complete one vibration is called:

Question # 8

The SI unit of spring constant is identical with that of

Question # 9

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

Question # 10

An oscillating body oscillates due to:

Question # 11

The acceleration of body executing SHM is directly proportional to

Question # 12

Velocity of particle executing SHM will be maximum at

Question # 13

An object undergoes SHM. Its maximum equilibrium positions:

Question # 14

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

Question # 15

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

Question # 16

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 # 17

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

Question # 18

A body with frequency would complete one vibration in:

Question # 19

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

Question # 20

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 # 21

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

Question # 22

A particle moving uniformly along circle its projection along diameter performs

Question # 23

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

Question # 24

Acceleration of body executing SHM is always directed towards

Question # 25

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 26

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

Question # 27

SHM is type of ______ motion

Question # 28

Vibratory motion is always under

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 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
4 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
5 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f
6 In vibrational motion(SHM)
A. P.E remains conserved
B. Average K.E remain constant
C. Neither P.E nor K.E remains constant
D. Total energy remains constant
7 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
8 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
9 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
10 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration

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