You are at question (MCQ) number 3 and Test Number 5 of Physics: All topics. To deal with Physics questions, you must take lesson on the subject. In case of science and Art subjects revise your text books and in case of general aptitude topics take lessons from the topic page.
The question: As per the WHO, the safe noise level for a city is-
.... with options: 45 db
, 50 db
, 55 db
, 60 db
can be solved with the concepts and understanding of Physics.
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