A baby\'s mouth is a distance of 35 c m from her father\'s ear and a distance of
ID: 2250776 • Letter: A
Question
A baby's mouth is a distance of 35cm from her father's ear and a distance of 1.45m from her mother's ear. What is the difference between the sound intensity levels heard by the father and by the mother?Answer: dB
don't answer it unless you know how to do it correctly A baby's mouth is a distance of 35cm from her father's ear and a distance of 1.45m from her mother's ear. What is the difference between the sound intensity levels heard by the father and by the mother?
Answer: dB
Answer: dB
don't answer it unless you know how to do it correctly
Explanation / Answer
intensity drops as the square of the distance from the source
distance ratio squared = (1.45/0.35)^2 = 17.163
in dB = 10log(17.163) = 12.345 dB
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