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Suppose that the sound level of a conversation is initially at an angry 72 dB and then drops to a soothing 50 dB. Assuming that the frequency of the sound is 507 Hz, determine the

(a) initial and

(b) final sound intensities (in μW/m2) and the

(c) initial and

(d) final sound wave amplitudes (in nm). Assume the speed of sound is 345 m/s and the air density is 1.21 kg/m3.

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  • Category:- Physics
  • Reference No.:- M9884428

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