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

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

Question # 2

An angle of 180° in circular motion is equivalent to ______ in SHM.

Question # 3

The restoring force is always directed towards:

Question # 4

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

Question # 5

The acceleration of body executing SHM is directly proportional to

Question # 6

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

Question # 7

SHM is type of ______ motion

Question # 8

Which of the following forces is responsible for SHM

Question # 9

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

Question # 10

An object undergoes SHM. Its maximum equilibrium positions:

Question # 11

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

Question # 12

The unit of spring constant is

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

The graph showing the variation of displacement with time is a

Question # 18

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

Question # 19

Amplitude in SHM is equivalent to ______ in circular motion

Question # 20

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 # 21

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

Question # 22

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

Question # 23

The unit of spring constant is:

Question # 24

Acceleration of body executing SHM is always directed towards

Question # 25

The SI unit of spring constant is identical with that of

Question # 26

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

Question # 27

A particle moving uniformly along circle its projection along diameter performs

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
2 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
3 To and fro motion of a body is about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
4 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
5 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
6 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
7 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
8 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
9 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
10 If a force of 0.05 N produces an elongation of 20 mm in a 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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