18. Waves & Sound
Sound Intensity
7:36 minutes
Problem 16i
Textbook Question
Textbook QuestionConsider a sound wave in air that has displacement amplitude 0.0200 mm. Calculate the pressure amplitude for frequencies of (a) 150 Hz; (b) 1500 Hz; (c) 15,000 Hz. In each case compare the result to the pain threshold, which is 30 Pa
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