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

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 # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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:

Question # 9

An object undergoes SHM. Its maximum equilibrium positions:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

The graph showing the variation of displacement with time is a

Question # 14

Velocity of particle executing SHM will be maximum at

Question # 15

The S.I unit of frequency is

Question # 16

The wave form of SHM is

Question # 17

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

Question # 18

The displacement of body executing SHM is

Question # 19

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 20

A body with frequency would complete one vibration in:

Question # 21

When a body is vibrating, the displacement from mean position

Question # 22

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

Question # 23

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

Question # 24

A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:

Question # 25

Which one of the following is an example of SHM:

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

A body with frequency of would complete one vibration in:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
2 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
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 If time period of a pendulum is doubled by increasing its length, then its frequency will
A. Also be doubled
B. Become half
C. Become one fourth
D. Becomes four times
5 Amplitude is the displacement of the vibrating body from:
A. One extreme position to the other extreme position
B. Mean position any one extreme position
C. Both A and B are correct
D. None of these
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 maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
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 If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:
A. 1 cm
B. 1 m
C. 10 mm
D. None of these
10 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force

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