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 displacement of body executing SHM is

Question # 2

The string of a simple pendulum should be:

Question # 3

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

Question # 4

The graph showing the variation of displacement with time is a

Question # 5

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 # 6

An oscillating body oscillates due to:

Question # 7

Velocity of particle executing SHM will be maximum at

Question # 8

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

Question # 9

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 # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

Which of the following forces is responsible for SHM

Question # 16

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

Question # 17

The unit of spring constant is:

Question # 18

The wave form of SHM is

Question # 19

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

Question # 20

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

Question # 21

In vibrational motion(SHM)

Question # 22

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

Question # 23

The unit of spring constant is

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

A body with frequency of would complete one vibration in:

Question # 29

Vibratory motion is always under

Question # 30

SHM is type of ______ motion

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
2 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
3 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
4 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
5 If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:
A. k/2
B. 2 k
C. 4 k
D. None of these
6 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
7 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
8 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
9 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
10 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force

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