Posted in Music By KennedyPosted on December 1, 2020Tagged assignmenthelp, collegeessays, essayhelp, Music How much force does a sound wave at pain threshold (Lp = 120dB) exert on an eardrum having diameter 7mm?[6] How much force does a sound wave at pain threshold (Lp = 120dB) exert on an eardrum having diameter 7mm?