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

Velocity of particle executing SHM will be maximum at

Question # 2

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

Question # 3

Which of the following forces is responsible for SHM

Question # 4

The SI unit of spring constant is identical with that of

Question # 5

The S.I unit of frequency is

Question # 6

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

Question # 7

Which of the following quantity for particle executing SHM is non-zero at mean position

Question # 8

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

Question # 9

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

Question # 10

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 # 11

An object undergoes SHM. Its maximum equilibrium positions:

Question # 12

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

Question # 13

A body with frequency of would complete one vibration in:

Question # 14

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

Question # 15

Vibratory motion is always under

Question # 16

The acceleration of body executing SHM is directly proportional to

Question # 17

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

Question # 18

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 # 19

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

Question # 20

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

Question # 21

The wave form of SHM is

Question # 22

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 23

An oscillating body oscillates due to:

Question # 24

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

Question # 25

Which one of the following is an example of SHM

Question # 26

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

Question # 27

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

Question # 28

Amplitude in SHM is equivalent to ______ in circular motion

Question # 29

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 # 30

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

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ECAT Class Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
2 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
3 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
4 If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:
A. 1 cm
B. 1 m
C. 10 mm
D. None of these
5 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. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
6 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
7 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
8 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
9 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
10 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°

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