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

The displacement of body executing SHM is

Question # 2

Which of the following is an example of SHM(in ideal situations)

Question # 3

A body with frequency would complete one vibration in:

Question # 4

A body with frequency of would complete one vibration in:

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

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

Question # 7

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

Question # 8

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

Question # 9

The S.I unit of frequency is

Question # 10

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

Question # 11

The string of a simple pendulum should be:

Question # 12

The graph showing the variation of displacement with time is a:

Question # 13

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 # 14

If time period of a pendulum is doubled by increasing its length, then its frequency will

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

In vibrational motion(SHM)

Question # 19

The unit of spring constant is:

Question # 20

Which of the following forces is responsible for SHM

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

The wave form of SHM is

Question # 26

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

Question # 27

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

Question # 28

Which one of the following is an example of SHM:

Question # 29

Which one of the following is an example of SHM

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
3 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
4 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
5 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
6 If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:
A. k/2
B. 2 k
C. 4 k
D. None of these
7 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
8 If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these
9 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
10 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None

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