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

An oscillating body oscillates due to:

Question # 2

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

Question # 3

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

Question # 4

A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:

Question # 5

When a body is vibrating, the displacement from mean position:

Question # 6

Vibratory motion is always under

Question # 7

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

Question # 8

The body oscillates due to _____ accelerates and overshoots the rest position due to______,:

Question # 9

The S.I unit of frequency is

Question # 10

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

Question # 11

Which one of the following is an example of SHM:

Question # 12

An object undergoes SHM. Its maximum equilibrium positions:

Question # 13

To and from motion of a body about its mean position is known as:

Question # 14

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

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 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
2 Which of the following is an example of SHM(in ideal situations)
A. Motion of simple pendulum
B. Motion of horizontal spring man system
C. Motion of violin string
D. All of these
3 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
4 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
5 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
6 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
7 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
8 A spring of constant k = 0.4 N m-1is to be extended through 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:
A. 4 gms
B. 0.4 gm
C. 40 gms
D. None of these
9 If time period of a pendulum is doubled by increasing its length, then its frequency will
A. Also be doubled
B. Become half
C. Become one fourth
D. Becomes four times
10 A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:
A. 1.5 sec
B. 2.0 sec
C. 2.3 sec
D. 2.5 sec

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