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

Question # 2

The time taken to complete one vibration is called:

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

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 5

SHM is type of ______ motion

Question # 6

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 7

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

Question # 8

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

Question # 9

The acceleration of body executing SHM is directly proportional to

Question # 10

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

Question # 11

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

Question # 12

The displacement of body executing SHM is

Question # 13

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:

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
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 graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
4 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
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 If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:
A. K/2
B. 2 K
C. 4 K
D. None of these
7 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
8 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
9 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
10 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency

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