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 time taken to complete one vibration is called:

Question # 2

When a body is vibrating, the displacement from mean position

Question # 3

Which of the following forces is responsible for SHM

Question # 4

SHM is type of ______ motion

Question # 5

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

Question # 6

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

Question # 7

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 8

Vibratory motion is always under

Question # 9

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

Question # 10

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 11

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

Question # 12

A body with frequency would complete one vibration in:

Question # 13

When a body is vibrating, the displacement from mean position:

Question # 14

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

Question # 15

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
2 Amplitude is the displacement of the vibrating body from:
A. One extreme position to the other extreme position
B. Mean position any one extreme position
C. Both A and B are correct
D. None of these
3 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
4 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
5 An angle of 180° in circular motion is equivalent to ______ in SHM.
A. Half the vibration
B. One vibration
C. 3/4th of a vibration
D. None of these
6 When a body is vibrating, the displacement from mean position:
A. Increases with time
B. Decreases with time
C. Changes with time
D. None of these
7 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
8 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
9 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
10 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these

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