Question: Two atmospheric sound sources A and B emit isotropically at constant power. The sound levels F of their emissions are plotted in Figure versus the

Two atmospheric sound sources A and B emit isotropically at constant power. The sound levels F of their emissions are plotted in Figure versus the radial distance r from the sources. The vertical axis scale is set by β1 = 85.0 dB and β1 = 65.0 dB. What are?

(a) The ratio of the larger power to the smaller power and

(b) The sound level difference at r = 10 m?

B2 100 500 1000 r (m) () 9

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