ECAT Pre General Science Physics Chapter 7 MCQ Test With Answer

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

Question # 2

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

Question # 3

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

Question # 4

The string of a simple pendulum should be:

Question # 5

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

Question # 6

The unit of spring constant is

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

The acceleration of body executing SHM is directly proportional to

Question # 11

The SI unit of spring constant is identical with that of

Question # 12

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

Question # 13

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Question # 14

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

Question # 15

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 # 16

Amplitude in SHM is equivalent to ______ in circular motion

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

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 # 21

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Question # 22

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

Question # 23

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

Question # 24

A spring of constant k = 0.4 N m-1is to be extended through 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:

Question # 25

The S.I unit of frequency is

Question # 26

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 27

Vibratory motion is always under

Question # 28

An object undergoes SHM. Its maximum equilibrium positions:

Question # 29

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

Question # 30

A body with frequency of would complete one vibration in:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
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 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
4 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
5 If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:
A. 2500 MHz
B. 0.25 MHz
C. 2500 KHz
D. None of these
6 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
7 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. Vibratory, chord
C. SHM, diameter
D. SHM, circumference
8 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
9 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
10 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these

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