ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

Try The MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

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

Question # 2

Vibratory motion is always under

Question # 3

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

Question # 4

A body with frequency would complete one vibration in:

Question # 5

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

Question # 6

Amplitude in SHM is equivalent to ______ in circular motion

Question # 7

The wave form of SHM is

Question # 8

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

Question # 9

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

Question # 10

An oscillating body oscillates due to:

Question # 11

The graph showing the variation of displacement with time is a

Question # 12

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

Question # 13

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

Question # 14

Which of the following forces is responsible for SHM

Question # 15

In vibrational motion(SHM)

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
2 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
3 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
4 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
5 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
6 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
7 An angle of 180° in circular motion is equivalent to ______ in SHM.
A. Half the vibration
B. One vibration
C. 3/4th of a vibration
D. None of these
8 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
9 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
10 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only

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