ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

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

The acceleration of body executing SHM is directly proportional to

Question # 2

Which of the following forces is responsible for SHM

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

Velocity of particle executing SHM will be maximum at

Question # 5

An oscillating body oscillates due to:

Question # 6

The wave form of SHM is

Question # 7

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

Question # 8

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

Question # 9

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

Question # 10

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

Question # 11

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

Question # 12

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 # 13

The displacement of body executing SHM is

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
2 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
3 When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:
A. Increases
B. Decreases
C. Remains constant
D. None of these
4 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
5 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
6 The body oscillates due to _____ accelerates and overshoots the rest position due to______,:
A. Applied force, inertial
B. Restoring force, friction
C. Frictional force, inertial
D. Restoring force, inertial
7 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
8 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
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 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B

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