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

Question # 2

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

Question # 3

The time period of a simple pendulum is independent of its:

Question # 4

A particle moving uniformly along circle its projection along diameter performs

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

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

Question # 7

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

Question # 8

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

Question # 9

Which one of the following is an example of SHM

Question # 10

Velocity of particle executing SHM will be maximum at

Question # 11

Which one of the following is an example of SHM:

Question # 12

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

Question # 13

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

Question # 14

Hertz is unit of:

Question # 15

A body with frequency would complete one vibration in:

Question # 16

The unit of spring constant is:

Question # 17

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Question # 18

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

Question # 19

The SI unit of spring constant is identical with that of

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

A body with frequency of would complete one vibration in:

Question # 24

Vibratory motion is always under

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

Amplitude is the displacement of the vibrating body from:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
2 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
3 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
4 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:
A. 4 gms
B. 0.4 gm
C. 40 gms
D. None of these
5 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
6 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
7 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
8 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
9 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
10 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

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