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

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

Question # 2

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

Question # 3

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

Question # 4

Amplitude in SHM is equivalent to ______ in circular motion

Question # 5

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

Question # 6

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

Question # 7

The unit of spring constant is:

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

The unit of spring constant is

Question # 13

The graph showing the variation of displacement with time is a

Question # 14

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

Question # 15

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

Question # 16

The restoring force is always directed towards:

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

The string of a simple pendulum should be:

Question # 21

Which one of the following is an example of SHM:

Question # 22

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

Question # 23

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

Question # 24

A particle moving uniformly along circle its projection along diameter performs

Question # 25

When a body is vibrating, the displacement from mean position

Question # 26

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

Question # 27

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

Question # 28

The acceleration of body executing SHM is directly proportional to

Question # 29

In vibrational motion(SHM)

Question # 30

An object undergoes SHM. Its maximum equilibrium positions:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
2 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
3 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
4 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
5 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
6 Which one of the following is an example of SHM:
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these
7 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
8 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
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 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only

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