NOISE POLLUTION

Power point presentation about one aspect related to environmental

problems:

What is noise pollution? Sound is a form of energy . A type of sound may be pleasant to someone

and at the the same time it may unpleasant to other,the unpleasant and unwanted sound is called noise...

noise measurements can be measured as sound pressure level(spl)

Nowadays the main source of noise pollution are as follows:-

1..increse in various mode of transportations veehicles.

2..due to urbanisation increase in various constructional activities.

3..ndustrial operation increases day by day for our daily needs.

4..exposure during various occasions (i.e party ,festivals,and so on)

SOURCES OF NOISE POLLUTION

• .

Effects of noise pollution 1.obstructions with mass

communications..

2..Hearing damages..

3..physiological and psychological changes.

Control of noise pollution1.Reduction in sorces of noises :-Noise causing vehicles Heavy vehicles and old vehicles are not allowed to run2.Noise causing machines should be kept in containers with sound obsorbing media .3.Pollution check should be done in certain interval of time.4.Proper oiling should reduced niose pollution (i.e.. use of cng gas as a fuel)5.Useof sound absorbing silencer.6.Planting more trees having broad leaves which absorbs sound as much possible.7.Heavy musical instruments should be strictly prohibited..

Thank you**** ****