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

Question # 2

The SI unit of spring constant is identical with that of

Question # 3

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

Question # 4

Which one of the following is an example of SHM

Question # 5

The graph showing the variation of displacement with time is a

Question # 6

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

Question # 7

A body with frequency of would complete one vibration in:

Question # 8

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

Question # 9

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

Question # 10

Hertz is unit of:

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 moving uniformly along circle its projection along diameter performs

Question # 13

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

Question # 14

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

Question # 15

Amplitude in SHM is equivalent to ______ in circular motion

Question # 16

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

Question # 17

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

Question # 18

A body with frequency would complete one vibration in:

Question # 19

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

Question # 20

An object undergoes SHM. Its maximum equilibrium positions:

Question # 21

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 22

Which of the following quantity for particle executing SHM is non-zero at mean position

Question # 23

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

Question # 24

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 # 25

The acceleration of body executing SHM is directly proportional to

Question # 26

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

Question # 27

Which one of the following is an example of SHM:

Question # 28

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

Question # 29

Which of the following forces is responsible for SHM

Question # 30

In vibrational motion(SHM)

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which of the following is an example of SHM(in ideal situations)
A. Motion of simple pendulum
B. Motion of horizontal spring man system
C. Motion of violin string
D. All of these
2 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
3 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
4 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
5 The body oscillates due to ______ accelerates and overshoots the rest position due to _______
A. Applied force, Inertia
B. Restoring force, Friction
C. Frictional force, Inertia
D. Restoring force, Inertia
6 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
7 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
8 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
9 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
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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