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

A body with frequency would complete one vibration in:

Question # 2

A body with frequency of would complete one vibration in:

Question # 3

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 4

The unit of spring constant is:

Question # 5

The unit of spring constant is

Question # 6

An object undergoes SHM. Its maximum equilibrium positions:

Question # 7

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

Question # 8

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

Question # 9

If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

Question # 10

Which one of the following is an example of SHM

Question # 11

Hertz is unit of:

Question # 12

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

Question # 13

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

Question # 14

Amplitude is the displacement of the vibrating body from:

Question # 15

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

Question # 16

The time taken to complete one vibration is called:

Question # 17

SHM is type of ______ motion

Question # 18

In SHM, there is always a constant ratio between displacement if body and its:

Question # 19

The restoring force is always directed towards:

Question # 20

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

Question # 21

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

Question # 22

The string of a simple pendulum should be:

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

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

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

The acceleration of body executing SHM is directly proportional to

Question # 29

In vibrational motion(SHM)

Question # 30

A particle moving uniformly along circle its projection along diameter performs

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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 unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
3 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
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 SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
6 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
7 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
8 When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:
A. Increases
B. Decreases
C. Remains constant
D. None of these
9 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
10 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these

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