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 indentical segments, the spring constant of each segment is:

Question # 2

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 3

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

Question # 4

The wave form of SHM is

Question # 5

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

Question # 6

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

Question # 7

The string of a simple pendulum should be:

Question # 8

The unit of spring constant is:

Question # 9

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 10

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

Question # 11

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

Question # 12

An oscillating body oscillates due to:

Question # 13

The restoring force is always directed towards:

Question # 14

The unit of spring constant is

Question # 15

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 16

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

Question # 17

Hertz is unit of:

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

A body with frequency of would complete one vibration in:

Question # 22

The SI unit of spring constant is identical with that of

Question # 23

A body with frequency would complete one vibration in:

Question # 24

Which one of the following is an example of SHM:

Question # 25

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

Question # 26

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

Question # 27

Which of the following forces is responsible for SHM

Question # 28

When a body is vibrating, the displacement from mean position

Question # 29

The displacement of body executing SHM is

Question # 30

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:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
3 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
4 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
5 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
6 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
7 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
8 When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:
A. Increases
B. Decreases
C. Remains constant
D. None of these
9 The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:
A. f
B. 2 f
C. 3 f
D. 1/2 f
10 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None

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