Physics
Sound becomes hazardous noise pollution at decibels?
Above 120 db
Above 80 db
Above 50 db
Above 30 db
Above 80 db
Sound levels are measured in decibels(dB), sound level of 80 or more dB can aptly be called noise which can cause serious hearing loss, tensions, high blood pressure, it can induce several disorders prematurely existing, such as hypertension, an increase in blood cholesterol level and is detrimental to health in other aspects when observed for more than maximum tolerable limit of 50 dB._x000D_
Hence, the correct answer is ‘Above 80 dB’.
Above 80 db Sound levels are measured in decibels(dB), sound level of 80 or more dB can aptly be called noise which can cause serious hearing loss, tensions, high blood pressure, it can induce several disorders prematurely existing, such as hypertension, an increase in blood cholesterol level and is detrimental to health in other aspects when observed for more than maximum tolerable limit of 50 dB._x000D_
Hence, the correct answer is ‘Above 80 dB’.
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