ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

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Physics ECAT Pre Engineering Chapter 7 Oscillations

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Question # 1

Hertz is unit of:

Question # 2

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

Question # 3

A body with frequency of would complete one vibration in:

Question # 4

Which of the following quantity for particle executing SHM is non-zero at mean position

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

The displacement of body executing SHM is

Question # 9

The string of a simple pendulum should be:

Question # 10

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

Question # 11

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 # 12

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

Question # 13

Which one of the following is an example of SHM:

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Amplitude is the displacement of the vibrating body from:
A. One extreme position to the other extreme position
B. Mean position any one extreme position
C. Both A and B are correct
D. None of these
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:
A. 1.5 sec
B. 2.0 sec
C. 2.3 sec
D. 2.5 sec
3 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
4 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
5 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
6 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
7 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
8 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
9 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
10 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them

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