A person standing a certain distance from four identical loudspeakers is hearing a sound level intensity of 125 dB. What sound l
evel intensity would this person hear if all but one are turned off?
1 answer:
Answer:

Explanation:
From the question, using the expression:

where;



This is a combined intensity of 4 speakers.
Thus, the intensity of 3 speakers = 
= 2.372 W/m²
Thus;


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