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Calculate the intensity level of a plane just leaving the runway having sound intensity of about 1000W/m^2.

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in Engineering Physics I by (558k points)
Calculate the intensity level of a plane just leaving the runway having sound intensity of about 1000W/m^2.

(a) 0dB

(b) 15dB

(c) 5dB

(d) 150dB

The question was posed to me in final exam.

My question is taken from Reverberation topic in portion Waves of Engineering Physics I

1 Answer

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Best answer
Right answer is (d) 150dB

To explain I would say: Intensity level = 10log1000/10^-12

Intensity level = 150dB.

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