The sound of a jet engine is given as 120 dB. What is the intesity of the jet sound wave??
please help, thanks!
2007-03-17 03:48:18 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Physics
Ok, just remeber this formula :
Db = 10db*log( I / Io)
Io = 10^-12 W / m^2
120 = 10*log( I / Io)
12 = log( I / 10^-12)
10^12 = I / 10^-12
I = 1 watt
Hope that helped you
2007-03-17 06:51:50 · answer #1 · answered by anakin_louix 6 · 0⤊ 0⤋
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2016-12-19 07:33:00 · answer #2 · answered by schwarm 4 · 0⤊ 0⤋