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 string of a simple pendulum should be:

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

The graph showing the variation of displacement with time is a

Question # 7

Velocity of particle executing SHM will be maximum at

Question # 8

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

Question # 9

Amplitude is the displacement of the vibrating body from:

Question # 10

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

Question # 11

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

Question # 12

Which one of the following is an example of SHM:

Question # 13

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

Question # 14

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

Question # 15

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
2 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
3 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
4 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
5 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
6 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
7 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
8 The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.
A. f
B. 2 f
C. 3 f
D. 1/2 f
9 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
10 Which one of the following is an example of SHM:
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these

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