Write a speech on noise pollution.
Answers
Speech on Noise Pollution: Sources, Effects and Measures!
There is very little demarcation of sound and noise. Sound is a normal phenomenon of life while noise is nothing but unwanted sound. Therefore, noise pollution is unwanted sound, dumped into the atmosphere without regard to the adverse effects it may have. Encyclopedia Britannica defines noise pollution thus “In acoustics noise is defined as any undesired sound. According to this definition, a sound of church bells may be music to others. Usually, noise is a mixture of many tones combined in a non-musical manner.
Sources of Noise Pollution
There are two main sources of noise pollution:
(a) Industrial sources; and
(b) Non-industrial sources
(a) Industrial Sources:
The industrial sources may include noise from various industries operating around cities. Most of the major industries run with heavy machinery and produce with higher intensity.
(b) Non-industrial Sources:
These include the following sources of noise pollution:
(i) Loudspeaker:
In India, one of the very common man-made sources of noise pollution is the frequent use of loudspeaker. For every occasion, religious, political party gathering or marriage party, the presence of loudspeaker is a must.
(ii) Domestic Appliances:
Noise is generated from domestic appliances like sewing machines, coolers, water pumps, food mixers and floor mills etc.
(iii) Means of Transport:
Development of transport sector is the main cause of noise pollution in India. The increase in the number of vehicles like cars, jeeps, trucks, auto rickshaws, motor cycles and buses have resulted in increased noise pollution. Construction of new roads and railway lines has led to increase in the number of vehicles and trains.
(iv) Other Causes:
Harvesters, tractors and harrows are among some agricultural devices used in fields, which produce noise. Noise is also generated from TV, radio and tape recorders.