Question
Distinguish between music and noise.

Answer

Music Noise
1. It is pleasant, smooth and agreeable to the ear. 1. It is harsh, discordant and displeasing to the ear.
2. It is produced by the vibrations which are periodic.. 2. It is produced by an irregular succession of disturbances.
3. All the component waves are similar without any sudden change in their wavelength and amplitude. 3. The component wave changes their character suddenly and they are of short duration..
4. The sound level is low (below 30 dB). 4. The sound level is hiah (above 120 dB).

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