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प्रश्न
Explain the following and illustrate your answer by drawing appropriate diagram:
Loudness
उत्तर
Loudness: Loudness is the property by virtue of which a loud sound can be distinguished from a faint one, both having the same pitch and quality. The loudness of a sound depends on the amplitude (or intensity) of the wave.
Soft and loud notes
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संबंधित प्रश्न
The sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second. What is the time period of the vibration?
Name the factor that determines Loudness of the sound heard.
Decibel is the unit of pitch of a sound.
If a drum is beaten hard, its loudness ................
Name the unit in which the loudness of sound is expressed.
Name the unit in which loudness of sound is measured.
Why is the loudness of the sound heard by a plucked wire increased when it is mounted on a sound board?
Explain the following and illustrate your answer by drawing appropriate diagram:
Frequency
The frequency of the stretched string of a fixed length is f when it is plucked in the middle. Where should it be plucked so that string vibrates with frequency (i) 2f, (ii) 3f?
Draw diagrams to show these vibrations and name them.
