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

00:00
Question # 1

SHM is type of ______ motion

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

An oscillating body oscillates due to:

Question # 6

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

Question # 7

The wave form of SHM is

Question # 8

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

Question # 9

When a body is vibrating, the displacement from mean position

Question # 10

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

Question # 11

The SI unit of spring constant is identical with that of

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

An object undergoes SHM. Its maximum equilibrium positions:

Question # 16

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

Question # 17

Which one of the following is an example of SHM:

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

The unit of spring constant is

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

A body with frequency would complete one vibration in:

Question # 27

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

Question # 28

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

Question # 29

Free oscillations are always produced by:

Question # 30

In vibrational motion(SHM)

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
2 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
3 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
4 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
5 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
6 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these
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:
A. 4 gms
B. 0.4 gms
C. 40 gms
D. None of these
8 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
9 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
10 Which one of the following is an example of SHM
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these

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