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

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

Question # 2

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

Question # 3

The graph showing the variation of displacement with time is a

Question # 4

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

Question # 5

The SI unit of spring constant is identical with that of

Question # 6

SHM is type of ______ motion

Question # 7

If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

Question # 8

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

Question # 9

The displacement of body executing SHM is

Question # 10

In vibrational motion(SHM)

Question # 11

Vibratory motion is always under

Question # 12

Velocity of particle executing SHM will be maximum at

Question # 13

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

Question # 14

If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:

Question # 15

An oscillating body oscillates due to:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
2 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
3 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
4 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
5 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
6 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
7 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
8 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
9 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
10 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these

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