Characteristics of Musical Sound and Intensity of Sound
The pitch is a sensation experienced by a listener. This note provides us an information on characteristics of musical sound and intensity of sound.
Doppler Effect, Waves and Noise Pollution
If the medium travels to the direction of a sound wave then a frequency of sound increases and if medium travels in opposite direction of a sound wave then the frequency of sound decreases. This note provides us an information on doppler effect waves and noise pollution.