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

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

Question # 2

SHM is type of ______ motion

Question # 3

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

Question # 4

Which one of the following is an example of SHM:

Question # 5

In SHM, the acceleration is ______ when velocity is _____:

Question # 6

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

Question # 7

A particle moving uniformly along circle its projection along diameter performs

Question # 8

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

Question # 9

Amplitude is the displacement of the vibrating body from:

Question # 10

Which one of the following is an example of SHM

Question # 11

The S.I unit of frequency is

Question # 12

Acceleration of body executing SHM is always directed towards

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

In vibrational motion(SHM)

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

The unit of spring constant is

Question # 21

The graph showing the variation of displacement with time is a

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

When a body is vibrating, the displacement from mean position

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

An oscillating body oscillates due to:

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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 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
3 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
4 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
5 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
6 The restoring force is _____ and 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 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
8 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
9 If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:
A. 3 K
B. 2 K
C. K/4
D. K/3
10 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°

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