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

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

Question # 2

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:

Question # 3

A spring of constant k = 0.4 N m-1is to be extended thorugh 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:

Question # 4

In vibrational motion(SHM)

Question # 5

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 6

An oscillating body oscillates due to:

Question # 7

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

Question # 8

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

Question # 9

Which of the following forces is responsible for SHM

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

The maximum distance of body from mean position when body is executing SHM is called

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
2 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
3 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
4 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
5 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
6 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
7 Distance covered during one vibration of an oscillating body in terms of amplitude A is:
A. A
B. 2 A
C. 3 A
D. 4 A
8 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
9 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
10 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1

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