solve 5.12.6 step by step please O 74dB re 10W/m". (b) Find the intensity (W/m“) produced by an acoustic plane wave inwater of SPL(1 µbar) = 120DB. (c) What is the ratio of the acoustic pressure in water for a plane waveto that of a similar wave in air of equal intensity?5.12.6. (a) Determine the energy density and effective pressure amplitude of a plane wave in air of intensity12level 70DB re 10 W/m. (b) Determine the energy density and effective pressure amplitude of a planewave in water if its sound pressure level is 70DB re 1 ubar.5.12.7. (a) Show that at constant P the characteristic impedance of a gas is inversely proportional to thesquare ront of its abcoluto tom

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Answered: (a) Determine the energy density and…

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