A sound wave in air has a frequency of 30 Hz and a displacement amplitude of 6.0 × 10^-3 mm . For this sound wave the intensity is 2.64 × 10^-x Wm^-2 . Find the value of x.
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Musical Scales
SOLVED:A 5000-Hz tone must have what sound level to seem as loud as a 100-Hz tone that has a 50-dB sound level? (See Fig. 12-6.)