Question

Comparison between the music and noise. (5 pts and with example)

Answer 1

music is a slow voice which touches the heart.
it makes a peson feel happy and relax.
example songs,raag,etc


noise is a loud voice which is very irritating.
it makes a person disturbed and annoyed.
example cheep crying,shouting etc

Answer 2

Music :

  1. It is regular, smooth and pleasant to the ear.
  2. It is produced by the vibrations which are periodic.
  3. All the component waves are similar without any sudden change in their      wavelength and amplitude.
  4. The sound level is low (between 10 dB to 30 dB).
  5. The wave form is regular.

     Example : The sound produced by the musical instruments.

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Noise  :

   1. It is harsh, discordant and unpleasant to the ear.
   2. It is produced by an irregular succession of disturbances.
   3. The component waves change their character suddenly and they are of    short duration.
   4. The sound level is high (above 120 dB) .
   5.  The waves formed are irregular.
      Example : The sound produced by an aeroplane, road roller, industrial machines.