Question
A sound wave has an intensity level of 119.0 dB in air. The density of air at 20.0C is = 1.20 kg/m 3 (see Table
A sound wave has an intensity level of 119.0 dB in air. The density of air at 20.0C is = 1.20 kg/m3 (see Table 9.1).The speed of sound in air at 20.0C is v = 343 m/s (see Table 12.1).
1. What is the pressure amplitude of the wave?
_______________________N/m2
2. What maximum force does this wave exert on an eardrum of area 0.530 104 m2?
_______________________ mN
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Advanced Quantum Mechanics
Authors: J J Sakurai
1st Edition
8177589164, 9788177589160
