Sawaal
2
Q:

Acceptable noise level for human ear

A) > 85 db B) = 85 db
C) < 85 db D) None of the above

Answer:   C) < 85 db



Explanation:

Sound intensity or level is measured by a unit called a decibel. An 85 decibel noise level is not a safe standard for the public.

 

Hence, Acceptable noise level for human ear is less than 85 db.

Subject: Physics
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