ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

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

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

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Physics ECAT Pre Engineering Chapter 7 Oscillations

00:00
Question # 1

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

Question # 2

The displacement of body executing SHM is

Question # 3

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

Question # 4

The unit of spring constant is:

Question # 5

An oscillating body oscillates due to:

Question # 6

An object undergoes SHM. Its maximum equilibrium positions:

Question # 7

Amplitude is the displacement of the vibrating body from:

Question # 8

Amplitude in SHM is equivalent to ______ in circular motion

Question # 9

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

Question # 10

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

Question # 11

Which one of the following is an example of SHM

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

Velocity of particle executing SHM will be maximum at

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
2 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
3 When a body is vibrating, the displacement from mean position
A. Increases with time
B. Decreases with time
C. Changes with time
D. None of these
4 If time period of a pendulum is doubled by increasing its length, then its frequency will
A. Also be doubled
B. Become half
C. Become one fourth
D. Becomes four times
5 Which of the following is an example of SHM(in ideal situations)
A. Motion of simple pendulum
B. Motion of horizontal spring man system
C. Motion of violin string
D. All of these
6 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
7 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
8 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
9 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
10 The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.
A. f
B. 2 f
C. 3 f
D. 1/2 f

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