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 SI unit of spring constant is identical with that of

Question # 2

A body with frequency would complete one vibration in:

Question # 3

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

Question # 4

An object undergoes SHM. Its maximum equilibrium positions:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

In vibrational motion(SHM)

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

Free oscillations are always produced by:

Question # 13

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

Question # 14

Acceleration of body executing SHM is always directed towards

Question # 15

Second's pendulum is the pendulum whose time period is:

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

The string of a simple pendulum should be:

Question # 23

The S.I unit of frequency is

Question # 24

The graph showing the variation of displacement with time is a

Question # 25

Velocity of particle executing SHM will be maximum at

Question # 26

SHM is type of ______ motion

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Chapter 7 Important MCQ's

Sr.# Question Answer
1 When a body is vibrating, the displacement from mean position
A. Increases with time
B. Decreases with time
C. Changes with time
D. None of these
2 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
3 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
4 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
5 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
6 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
7 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
8 The restoring force is _____ and opposite to the applied force within ______,:
A. Equal, elastic limit
B. Different, the walls of the laboratory
C. Different, elastic limit
D. None of these
9 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
10 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these

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