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

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

Question # 2

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

Question # 3

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 4

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

Question # 5

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

Question # 6

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 # 7

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

Question # 8

The unit of spring constant is:

Question # 9

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

Question # 10

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 # 11

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

Question # 12

Velocity of particle executing SHM will be maximum at

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
2 If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these
3 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
4 A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:
A. Circular motion, circumference
B. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
5 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
6 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
7 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
8 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
9 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
10 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave

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