MEDIUM
Earn 100

Distinguish between intensity of sound and loudness.

Important Questions on Sound

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Science>Physics>Sound>Characteristics of Sound
When sound is refracted from air to water, which of the following will remain unchanged?
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Science>Physics>Sound>Characteristics of Sound
Consider the following statements :
(A) The velocity of sound in air increases due to presence of moisture in it.
(R) The presence of moisture in air lowers the density of air.
In the above statements:
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Science>Physics>Sound>Characteristics of Sound
If the speed of wave is 250 m/s and its wavelength is 50 cm then the frequency will be:
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Science>Physics>Sound>Characteristics of Sound

It is observed that during march-past we hear a base drum distinctly from a distance compared to the side drums.
Name the characteristic of sound associated with the above observation.

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Science>Physics>Sound>Characteristics of Sound
The speed of sound in air at NTP is 332 m/s. If air pressure becomes four times the normal then the speed of sound waves will
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Science>Physics>Sound>Characteristics of Sound
If the speed of wave is 350 m/s and its wavelength is 100 cm then the frequency of the wave will be
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Science>Physics>Sound>Characteristics of Sound
Waves inside a gas are
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Science>Physics>Sound>Characteristics of Sound
The speed of a wave in a medium is 760 ms-1.If 3600 waves are passing through a point in the medium in 2 minutes then its wavelength is 
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Science>Physics>Sound>Characteristics of Sound

The sound of same pitch and loudness are distinguished from one another by their

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Science>Physics>Sound>Characteristics of Sound
Consider the following statements and select the correct alternative: Statement (A): The frequency of the sound wave whose wave length is 1.5 cm with speed 339 m/s is 22600 Hz. Statement (B): The given sound is audible to human beings.
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Science>Physics>Sound>Characteristics of Sound
Two waves of the same pitch have amplitudes in the ratio 1:3. What will be the ratio of their intensities?
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Science>Physics>Sound>Characteristics of Sound

The linear distance between a consecutive compression and rarefaction in longitudinal wave is

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Science>Physics>Sound>Characteristics of Sound

The given graph shows the displacement versus time relation for a disturbance travelling with velocity 1500 m/s. The wavelength of the disturbance will be

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Science>Physics>Sound>Characteristics of Sound
It is observed that during march-past we hear a base drum distinctly from a distance compared to the side drums. Give a reason for the above observation.
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Science>Physics>Sound>Characteristics of Sound
The wave having compression and rarefaction is known as
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Science>Physics>Sound>Characteristics of Sound
The velocity of sound wave in a given medium is V when its frequency is ν. The velocity, when the frequency changes to 5ν is :
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Science>Physics>Sound>Characteristics of Sound

For the wave shown in figure, calculate the frequency and wave length of the wave if its speed is 320 ms–1.

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Science>Physics>Sound>Characteristics of Sound
Two different instruments (say, guitar and harmonium), playing the same music, their sound appears different though they play same frequency, because:
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Science>Physics>Sound>Characteristics of Sound
Assertion: The loudness of sound is measured in decibel.
Reason: If sound waves have a large amplitude then the sound will be loud.
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Science>Physics>Sound>Characteristics of Sound
When we change a feeble sound to a loud sound, we increase its: