The sound intensity in front of a loudspeaker diaphragm vibrating at 2 kHz is 4.3 W/m2,with an acoustic power output of 0.3 W.Calculate the diameter of the diaphragm.
A) 3 cm
B) 9 cm
C) 15 cm
D) 30 cm
E) 60 cm
Correct Answer:
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