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

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 # 2

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

Question # 3

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

Question # 4

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

Question # 5

A body with frequency would complete one vibration in:

Question # 6

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

Question # 7

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

Question # 8

Amplitude in SHM is equivalent to ______ in circular motion

Question # 9

When a body is vibrating, the displacement from mean position

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

The restoring force is always directed towards:

Question # 13

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

Question # 14

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

Question # 15

A particle moving uniformly along circle its projection along diameter performs

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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 unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
3 If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:
A. 3 K
B. 2 K
C. K/4
D. K/3
4 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
5 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
6 The body oscillates due to ______ accelerates and overshoots the rest position due to _______
A. Applied force, Inertia
B. Restoring force, Friction
C. Frictional force, Inertia
D. Restoring force, Inertia
7 If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:
A. k/2
B. 2 k
C. 4 k
D. None of these
8 The restoring force is _____ and opposite to the applied force within ______,:
A. Equal, elastic limit
B. Different, the walls of the laboratory
C. Different, elastic limit
D. None of these
9 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
10 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None

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