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

Question # 2

The wave form of SHM is

Question # 3

SHM is type of ______ motion

Question # 4

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 # 5

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

Question # 6

When a body is vibrating, the displacement from mean position

Question # 7

Acceleration of body executing SHM is always directed towards

Question # 8

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

Question # 9

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

Question # 10

In vibrational motion(SHM)

Question # 11

Vibratory motion is always under

Question # 12

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

Question # 13

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

Question # 14

Amplitude in SHM is equivalent to ______ in circular motion

Question # 15

A body with frequency would complete one vibration in:

Question # 16

The graph showing the variation of displacement with time is a

Question # 17

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

Question # 18

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

Question # 19

The restoring force is always directed towards:

Question # 20

Hertz is unit of:

Question # 21

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 # 22

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 23

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 # 24

The SI unit of spring constant is identical with that of

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

The displacement of body executing SHM is

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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:
A. 4 gms
B. 0.4 gm
C. 40 gms
D. None of these
2 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
3 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
4 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
5 If time period of a pendulum is doubled by increasing its length, then its frequency will
A. Also be doubled
B. Become half
C. Become one fourth
D. Becomes four times
6 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
7 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
8 Distance covered during one vibration of an oscillating body in terms of amplitude A is:
A. A
B. 2 A
C. 3 A
D. 4 A
9 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
10 If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these

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