ECAT Pre General Science Physics Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 7 Oscillations

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 7 Oscillations

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ECAT Pre General Science Physics Chapter 7 Oscillations

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Question # 1

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

Question # 2

Which of the following forces is responsible for SHM

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

When a body is vibrating, the displacement from mean position

Question # 9

The acceleration of body executing SHM is directly proportional to

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

Which one of the following is an example of SHM:

Question # 14

In vibrational motion(SHM)

Question # 15

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

Question # 16

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

Question # 17

An object undergoes SHM. Its maximum equilibrium positions:

Question # 18

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

Question # 19

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 20

In SHM, the acceleration is ______ when velocity is _____:

Question # 21

The SI unit of spring constant is identical with that of:

Question # 22

The S.I unit of frequency is

Question # 23

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

Question # 24

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

Question # 25

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 # 26

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

Question # 27

Acceleration of body executing SHM is always directed towards

Question # 28

The restoring force is always directed towards:

Question # 29

Amplitude is the displacement of the vibrating body from:

Question # 30

A particle moving uniformly along circle its projection along diameter performs

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
2 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
3 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
4 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. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
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 The restoring force is ______ amd 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
7 To and from motion of a body about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
8 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
9 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
10 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

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