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

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

Question # 2

Which of the following forces is responsible for SHM

Question # 3

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 # 4

The acceleration of body executing SHM is directly proportional to

Question # 5

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

Question # 6

A body with frequency of would complete one vibration in:

Question # 7

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

Question # 8

The SI unit of spring constant is identical with that of

Question # 9

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

Question # 10

Acceleration of body executing SHM is always directed towards

Question # 11

A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:

Question # 12

A particle moving uniformly along circle its projection along diameter performs

Question # 13

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

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
3 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f
4 To and from motion of a body about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
5 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
6 If a force of 0.05 N produces an elongation of 20 mm in a 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
7 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
8 The restoring force is ______ amd 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 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
10 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None

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