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प्रश्न
State three factors which affect the loudness of a sound heard by a listener.
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उत्तर
The loudness of a sound heard by a listener depends on:
- Loudness is directly proportional to the square of the amplitude.
- Loudness varies inversely with the square of distance.
- Loudness is directly proportional to the surface area of a vibrating body.
संबंधित प्रश्न
How does the wave pattern of a loud note differ from that of a soft note? Draw a diagram.
How is the loudness of sound related to the intensity of the wave producing it?
Comment on the statement 'loudness of sound is a subjective quantity, while intensity is an objective quantity.
Name the unit used to measure the sound level.
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Loudness of sound is measured in units of
Two astronauts are floating close to each other in space. Can they talk to each other without using any special device? Give reasons.
Assertion: As the amplitude of sound increases, the loudness of sound decreases.
Reason: The loudness of sound depends on the amplitude of the wave.
Name the distinguishing factors of sound.
What are the factors that the intensity of Sound depends upon?
