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rohanputhran
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What is Noise ?
The word of noise is derived from the Latin term ‘nausea’.
Noise is a type of atmospheric pollution in the form of waves . It is an shadowy public enemy. It is increased in the modern age of industrialization and technological advancement.
What is Sound ?
Physically Sound is a mechanical disturbance propagated as a wave motion in air and other elastic or mechanical media such as water or steel.
And Physiologically, it is an auditory sensation evoked by this physical phenomenon(fact of occurrence).
Noise is measured in decibels(dB). The word decibel made of two words- ‘deci’ means 10 and ‘bel’ is derived from the name of its innovator- A. Graham Bell. In logarithmic scale, decibel(dB) is the standard unit for measurement of sound.
ROHAN PUTHRAN..

From India, Karamsad
aijaz_y2k
Really appreciaed for this effort... Best Regards, Shaik Aijazuddin HSE Training Officer / IIF Coordinator Safety mind never behind
From Qatar, Doha
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