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

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

Question # 2

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

Question # 3

The unit of spring constant is:

Question # 4

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

Question # 5

Second's pendulum is the pendulum whose time period is:

Question # 6

Which of the following quantity for particle executing SHM is non-zero at mean position

Question # 7

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

Question # 8

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

Question # 9

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 10

A body with frequency would complete one vibration in:

Question # 11

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

Question # 12

SHM is type of ______ motion

Question # 13

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

Question # 14

A particle moving uniformly along circle its projection along diameter performs

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
2 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
3 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
4 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
5 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
6 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
7 In vibrational motion(SHM)
A. P.E remains conserved
B. Average K.E remain constant
C. Neither P.E nor K.E remains constant
D. Total energy remains constant
8 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
9 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
10 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these

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