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 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 # 2

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 3

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

Question # 4

Which of the following forces is responsible for SHM

Question # 5

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

Question # 6

Amplitude is the displacement of the vibrating body from:

Question # 7

Acceleration of body executing SHM is always directed towards

Question # 8

The string of a simple pendulum should be:

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

A body with frequency of would complete one vibration in:

Question # 14

Which one of the following is an example of SHM:

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 The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.
A. f
B. 2 f
C. 3 f
D. 1/2 f
2 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. Vibratory, chord
C. SHM, diameter
D. SHM, circumference
3 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
4 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
5 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
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 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
8 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
9 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
10 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

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