write a short note on.. 1- loudness of sound and 2- pitch of a sound
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Loudness of sound
The loudness of sound is a measure of the sound energy reaching the ear per second. The loudness of sound depends on the amplitude of sound waves.Greater the amplitude of sound wave ,louder the sound will be.It is measured in decibel
Pitch of a sound
The pitch of sound depends on the frequency of vibration. The pitch of sound is directly proportional to its frequency. Faster the vibrations of the sound producing source,the higher is the frequency and higher is the pitch.
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