ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

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Physics ECAT Pre Engineering Chapter 7 Oscillations

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Question # 1

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

Question # 2

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 # 3

Amplitude is the displacement of the vibrating body from:

Question # 4

An angle of 180° in circular motion is equivalent to ______ in SHM.

Question # 5

A particle moving uniformly along circle its projection along diameter performs

Question # 6

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Question # 7

The wave form of SHM is

Question # 8

Velocity of particle executing SHM will be maximum at

Question # 9

Vibratory motion is always under

Question # 10

Free oscillations are always produced by:

Question # 11

In vibrational motion(SHM)

Question # 12

The graph showing the variation of displacement with time is a

Question # 13

The displacement of body executing SHM is

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
2 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
3 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
4 The body oscillates due to _____ accelerates and overshoots the rest position due to______,:
A. Applied force, inertial
B. Restoring force, friction
C. Frictional force, inertial
D. Restoring force, inertial
5 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
6 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
7 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
8 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
9 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
10 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

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