You are standing in the middle of a large room listening to a cacaphony of sound

Question

You are standing in the middle of a large room listening to a cacaphony of sounds. Rank the intensity of the sounds from each source (l=loudest, 2= next loudest,...) Consider all objects to be right next to you. If two values are within 0.1 dB from each other, consider them to be the same. An object emitting a sound with an intensity level of 110 dB. Two buzzers each producing a sound with intensity level of 70 dB. An object emitting a sound with an intensity level of 90 dB. An object emitting a sound with an intensity of 1.0times10^-9 W/m^2. Consider converting everything into decibels (intensity level).

Explanation / Answer

an object emitting sound 110 dB =    1       - loudest

an object emitting sound 90 dB =    2

two buzzers each emitting sound 70 dB =   3

an object emitting sound 1 * 10-9 W/m2 =   4    - quietest

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