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

A body with frequency would complete one vibration in:

Question # 2

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

Question # 3

Hertz is unit of:

Question # 4

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 5

Free oscillations are always produced by:

Question # 6

The acceleration of body executing SHM is directly proportional to

Question # 7

Distance covered during one vibration of an oscillating body in terms of amplitude A is:

Question # 8

When a body is vibrating, the displacement from mean position

Question # 9

The restoring force is ______ and opposite tot he applied force within ______

Question # 10

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

Question # 11

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

Question # 12

The displacement of body executing SHM is

Question # 13

An object undergoes SHM. Its maximum equilibrium positions:

Question # 14

The string of a simple pendulum should be:

Question # 15

A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The restoring force is _____ and 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
2 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
3 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
4 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
5 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
6 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
7 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
8 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
9 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
10 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None

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