the causes of noise pollution and the ways to control it. 2. How will you distinguish between two of your friends who are out sight and are speaking with the same loudness and pitch?
Answers
Answer:
over loudness of sound that be cause of irritation. we can control by plantation, use earplugs, keep large distance from source.
we can disguised between two of your friend by their voice and quality.
Answer:
1. Noise pollution can be caused several factors, such as big functions which play loud music, jet aircrafts, bursting crackers, honking in traffic, and many other reasons.
We control the noise pollution by using sound absorbent materials, using ear mufflers, strict laws such as delimitation of horn-free zones around hospitals and schools, permissible soun levels of crackers and of loud speakers, timings after which loudspeakers can't be played etc.
2. Even though you are out of sight and two of your friends are speaking with the same loudness and pitch, we can distinguish between them by their frequency of voices.
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