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

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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Question # 7

The SI unit of spring constant is identical with that of

Question # 8

A body with frequency would complete one vibration in:

Question # 9

A body with frequency of would complete one vibration in:

Question # 10

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

Question # 11

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

Question # 12

The restoring force is always directed towards:

Question # 13

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

Question # 14

SHM is type of ______ motion

Question # 15

Which one of the following is an example of SHM

Question # 16

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

Question # 17

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

Question # 18

The wave form of SHM is

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

A particle moving uniformly along circle its projection along diameter performs

Question # 24

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

Question # 25

Free oscillations are always produced by:

Question # 26

Amplitude is the displacement of the vibrating body from:

Question # 27

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

Question # 28

The graph showing the variation of displacement with time is a

Question # 29

Which of the following forces is responsible for SHM

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
4 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:
A. 1.5 sec
B. 2.0 sec
C. 2.3 sec
D. 2.5 sec
5 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
6 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
7 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
8 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
9 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
10 Which of the following is an example of SHM(in ideal situations)
A. Motion of simple pendulum
B. Motion of horizontal spring man system
C. Motion of violin string
D. All of these

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