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

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 2

The unit of spring constant is

Question # 3

A body with frequency would complete one vibration in:

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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 # 12

Acceleration of body executing SHM is always directed towards

Question # 13

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

Question # 14

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

Question # 15

The time taken to complete one vibration is called:

Question # 16

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

Question # 17

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

Question # 18

The time period of a simple pendulum is independent of its:

Question # 19

The acceleration of body executing SHM is directly proportional to

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

Amplitude is the displacement of the vibrating body from:

Question # 24

An oscillating body oscillates due to:

Question # 25

When a body is vibrating, the displacement from mean position

Question # 26

Which of the following forces is responsible for SHM

Question # 27

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

Question # 28

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 29

The S.I unit of frequency is

Question # 30

The displacement of body executing SHM is

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
2 The body oscillates due to ______ accelerates and overshoots the rest position due to _____:
A. Applied force , inertia
B. Restoring force, friction
C. Frictional force, inertia
D. Restoring force, inertia
3 If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:
A. 2500 MHz
B. 0.25 MHz
C. 2500 KHz
D. None of these
4 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
5 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
6 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
7 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
8 The body oscillates due to ______ accelerates and overshoots the rest position due to _______
A. Applied force, Inertia
B. Restoring force, Friction
C. Frictional force, Inertia
D. Restoring force, Inertia
9 An angle of 180° in circular motion is equivalent to ______ in SHM.
A. Half the vibration
B. One vibration
C. 3/4th of a vibration
D. None of these
10 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration

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