Sound is a sensory perception and the complex pattern of sound waves is labeled as noise, music, speech etc. Physically there is no distinction between sound and noise. When the effects of sound are undesirable that it may be termed as “Noise”.Ĥ Physically there is no distinction between sound and noise Vibrations impinge on the ear drum of a human or animal and setup a nervous disturbance, which we call sound. ” Noise is an unwanted, unpleasant and annoying sound caused by vibration of the matter. , Even loud noise and sound is also a part of pollution.”ģ NOISE “The word noise comes from the Latin word noxia meaning "injury" or "hurt".
2 POLLUTION “Pollution means any contamination of air, soil, water and environment.
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