ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

The unit of spring constant is:

Question # 2

The displacement of body executing SHM is

Question # 3

The restoring force is _____ and opposite to the applied force within ______,:

Question # 4

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

Question # 5

Distance covered during one vibration of an oscillating body in terms of amplitude A is:

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

Which one of the following is an example of SHM

Question # 10

If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

Amplitude is the displacement of the vibrating body from:

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
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 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
4 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
5 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
6 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
7 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
8 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
9 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
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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