MEDIUM
Earn 100

Draw the displacement-time graph of a longitudinal wave.

Important Questions on Sound

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Science>Physics>Sound>Propagation of Sound

The diagram shows the position of the air particles due to propagation of sound, represented by straight lines, at a particular instant from P to Q.

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Which of the following statements correctly depicts the pressure variation with respect to distance?

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Science>Physics>Sound>Propagation of Sound
 In the compression region of the medium in case of longitudinal wave :
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Science>Physics>Sound>Propagation of Sound

A longitude wave consists of:

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Science>Physics>Sound>Propagation of Sound
Sound travels with less speed in -
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Science>Physics>Sound>Propagation of Sound
In the region of compression or rarefaction in a longitudinal wave the physical quantity which does not change is
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Science>Physics>Sound>Propagation of Sound
Sound waves do not travel through
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Science>Physics>Sound>Propagation of Sound
The correct statement is :
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Science>Physics>Sound>Propagation of Sound

The region of a sound wave in which air particles are crowded together, creating a region of high pressure is called_____.

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Science>Physics>Sound>Propagation of Sound
The density of air at some point in a longitudinal sound wave is minimum at an instant. The pressure of air at that point is :
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Science>Physics>Sound>Propagation of Sound
When the vibrating object moves backwards, it creates a region of low pressure called __________________.
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Science>Physics>Sound>Propagation of Sound
Match the column I and column II
Column I Column II
A. Compression I. Soft sound
B. Rarefaction II. Loud sound
C. Big amplitude III. Low pressure
D. Small amplitude IV. High pressure
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Science>Physics>Sound>Propagation of Sound
We cannot hear sound on the moon because sound does not travel in _____.
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Science>Physics>Sound>Propagation of Sound
The matter or substance through which sound is transmitted is called a _____________.
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Science>Physics>Sound>Propagation of Sound
A sound wave consists of _____.
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Science>Physics>Sound>Propagation of Sound
A part of the longitudinal wave in which particle of medium are closer than the normal particle is called:
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Science>Physics>Sound>Propagation of Sound
In case of a longitudinal wave, in the region of rarefaction
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Science>Physics>Sound>Propagation of Sound
_____ represents the region of low pressure in the propagation of the sound wave.
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Science>Physics>Sound>Propagation of Sound
In case of longitudinal wave, in the region of rarefaction
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Science>Physics>Sound>Propagation of Sound
Sound cannot travel through ________________.
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Science>Physics>Sound>Propagation of Sound
If the frequency of a wave is 25Hz, the total number of compressions and rarefactions passing through a point in 1 second is: