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

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Question # 1

Which one of the following is an example of SHM:

Question # 2

Which one of the following is an example of SHM

Question # 3

Vibratory motion is always under

Question # 4

Amplitude is the displacement of the vibrating body from:

Question # 5

The SI unit of spring constant is identical with that of

Question # 6

In SHM, there is always a constant ratio between displacement if body and its:

Question # 7

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

Question # 8

A body with frequency would complete one vibration in:

Question # 9

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 10

The unit of spring constant is

Question # 11

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

Question # 12

In vibrational motion(SHM)

Question # 13

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

Question # 14

Velocity of particle executing SHM will be maximum at

Question # 15

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

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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 If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:
A. 1 cm
B. 1 m
C. 10 mm
D. None of these
3 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
4 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
5 To and from motion of a body about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
6 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
7 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
8 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
9 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
10 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion

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