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

An oscillating body oscillates due to:

Question # 3

The time taken to complete one vibration is called:

Question # 4

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

Question # 5

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 6

A particle moving uniformly along circle its projection along diameter performs

Question # 7

The wave form of SHM is

Question # 8

A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:

Question # 9

The string of a simple pendulum should be:

Question # 10

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

Hertz is unit of:

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
2 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
3 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
4 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
5 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
6 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
7 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
8 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
9 If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these
10 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

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