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

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

Question # 2

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

Question # 3

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Question # 4

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

Question # 5

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

Question # 6

A body with frequency would complete one vibration in:

Question # 7

An oscillating body oscillates due to:

Question # 8

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 9

Velocity of particle executing SHM will be maximum at

Question # 10

Free oscillations are always produced by:

Question # 11

Amplitude is the displacement of the vibrating body from:

Question # 12

Which one of the following is an example of SHM:

Question # 13

The displacement of body executing SHM is

Question # 14

The S.I unit of frequency is

Question # 15

The time taken to complete one vibration is called:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
3 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
4 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
5 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
6 A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:
A. Circular motion, circumference
B. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
7 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
8 To and fro motion of a body is about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
9 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
10 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

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