Write some situations where sound are resposible for sound pollution
Answers
Answer:
Sound waves are vibrations of air molecules carried from a noise source to the ear. Sound is typically described in terms of the loudness (amplitude) and the pitch (frequency) of the wave. Loudness (also called sound pressure level, or SPL) is measured in logarithmic units called decibels (dB). The normal human ear can detect sounds that range between 0 dB (hearing threshold) and about 140 dB, with sounds between 120dB and 140 dB causing pain (pain threshold). The ambient SPL in a library is about 35 dB, while that inside a moving bus or subway train is roughly 85 dB; building construction activities can generate SPLs as high as 105 dB at the source. SPLs decrease with distance from the source
Explanation:
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Answer:
1)Sound of loudspeakers in marriages and rallies
2)Sound of aeroplanes, helicopters,and jet planes
3)Sound produced due to factory or industrial activities
4)Sound produced during building construction.
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