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

A body with frequency would complete one vibration in:

Question # 2

The time taken to complete one vibration is called:

Question # 3

Amplitude in SHM is equivalent to ______ in circular motion

Question # 4

The string of a simple pendulum should be:

Question # 5

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

Question # 6

When a body is vibrating, the displacement from mean position:

Question # 7

An oscillating body oscillates due to:

Question # 8

The S.I unit of frequency is

Question # 9

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

Question # 10

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

Question # 11

Free oscillations are always produced by:

Question # 12

Velocity of particle executing SHM will be maximum at

Question # 13

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

Question # 14

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

Question # 15

An object undergoes SHM. Its maximum equilibrium positions:

Question # 16

The SI unit of spring constant is identical with that of

Question # 17

SHM is type of ______ motion

Question # 18

Hertz is unit of:

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

Which of the following forces is responsible for SHM

Question # 27

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

Question # 28

When a body is vibrating, the displacement from mean position

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 If a force of 0.05 N produces an elongation of 20 mm in a 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
2 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
3 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
4 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f
5 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
6 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
7 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
8 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
9 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
10 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest

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