1.

Due to a point isotropic sonic source, loudness at a point is L = 60 dB. If density of air is ρ=(1511)kg/m3 and velocity of sound in air is v = 330 m/s, the pressure oscillation amplitude at the point of observation is [I0=10−12 W/m2]

Answer»

Due to a point isotropic sonic source, loudness at a point is L = 60 dB. If density of air is ρ=(1511)kg/m3 and velocity of sound in air is v = 330 m/s, the pressure oscillation amplitude at the point of observation is [I0=1012 W/m2]




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