ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

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

Question # 2

SHM is type of ______ motion

Question # 3

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Question # 4

If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

Question # 5

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

Question # 6

A spring of constant k = 0.4 N m-1is to be extended thorugh 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:

Question # 7

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 # 8

Which one of the following is an example of SHM:

Question # 9

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

Question # 10

The restoring force is always directed towards:

Question # 11

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

Question # 12

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

Question # 13

The displacement of body executing SHM is

Question # 14

Acceleration of body executing SHM is always directed towards

Question # 15

The maximum distance of body from mean position when body is executing SHM is called

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
2 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
3 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
4 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
5 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
6 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
7 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
8 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
9 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
10 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second

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