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

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

Question # 2

An oscillating body oscillates due to:

Question # 3

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

Question # 4

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

Question # 5

A body with frequency would complete one vibration in:

Question # 6

The SI unit of spring constant is identical with that of:

Question # 7

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

Question # 8

Velocity of particle executing SHM will be maximum at

Question # 9

The graph showing the variation of displacement with time is a

Question # 10

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

Question # 11

A body with frequency of would complete one vibration in:

Question # 12

The string of a simple pendulum should be:

Question # 13

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

Question # 14

SHM is type of ______ motion

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:

Question # 21

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 22

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

Question # 23

The SI unit of spring constant is identical with that of

Question # 24

When a body is vibrating, the displacement from mean position

Question # 25

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

Question # 26

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 27

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

Question # 28

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

Question # 29

Amplitude in SHM is equivalent to ______ in circular motion

Question # 30

Free oscillations are always produced by:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 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
4 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
5 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
6 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
7 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
8 Amplitude is the displacement of the vibrating body from:
A. One extreme position to the other extreme position
B. Mean position any one extreme position
C. Both A and B are correct
D. None of these
9 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:
A. 4 gms
B. 0.4 gm
C. 40 gms
D. None of these
10 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these

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