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

The unit of spring constant is

Question # 2

An angle of 180° in circular motion is equivalent to ______ in SHM.

Question # 3

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

Question # 4

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

Question # 5

A particle moving uniformly along circle its projection along diameter performs

Question # 6

If time period of a pendulum is doubled by increasing its length, then its frequency will

Question # 7

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

Question # 8

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Question # 9

In vibrational motion(SHM)

Question # 10

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

Question # 11

Which of the following forces is responsible for SHM

Question # 12

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

Question # 13

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

Question # 14

Velocity of particle executing SHM will be maximum at

Question # 15

The graph showing the variation of displacement with time is a

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 To and fro motion of a body is about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
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 Which one of the following is an example of SHM
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these
4 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
5 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
6 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
7 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
8 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
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 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only

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