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What Do You Mean by Noise Pollution? - Environmental Studies

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Answer in Brief

What do you mean by noise pollution? 

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Solution

  • Noise is defined as unpleasant or disagreeable loud sound or sound that causes discomfort to the listener. With the rapid growth in population, traffic and urban crowd, noise has emerged as a widely prevalent irritant. The efficiency of humans is higher when they perform their duties under satisfying and comfortable conditions than when they are constantly irritated or annoyed by their surroundings.
  • Noise pollution is unwanted or offensive sounds that unreasonably intrude into our daily activities.
  • Noise measurements are expressed as Sound Pressure Level (SPL) which is logarithmic ratio of the sound pressure to reference pressure. It is expressed as a dimensionless unit called decibel (dB).
Concept: Sources, Effects of Noise Pollution
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