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 unit of spring constant is

Question # 2

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

Question # 3

The graph showing the variation of displacement with time is a:

Question # 4

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

Question # 5

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

Question # 6

SHM is type of ______ motion

Question # 7

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 8

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

Question # 9

Which of the following forces is responsible for SHM

Question # 10

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

Question # 11

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

Question # 12

The unit of spring constant is:

Question # 13

The restoring force is ______ and opposite tot he applied force within ______

Question # 14

In vibrational motion(SHM)

Question # 15

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

Question # 16

The restoring force is always directed towards:

Question # 17

Acceleration of body executing SHM is always directed towards

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

Which one of the following is an example of SHM

Question # 23

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

Question # 24

An oscillating body oscillates due to:

Question # 25

Vibratory motion is always under

Question # 26

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

Question # 27

The acceleration of body executing SHM is directly proportional to

Question # 28

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 # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
2 A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:
A. Circular motion, circumference
B. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
3 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
4 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
5 In vibrational motion(SHM)
A. P.E remains conserved
B. Average K.E remain constant
C. Neither P.E nor K.E remains constant
D. Total energy remains constant
6 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
7 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
8 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
9 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
10 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:
A. 4 gms
B. 0.4 gms
C. 40 gms
D. None of these

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