Two sound waves (call them X and Y) travel through the air. Wave X has a...
Two sound waves (call them X and Y) travel through the air. Wave X has a wavelength of 0.1 m and a pressure amplitude of 0.01 Pa. Wave Y has a frequency of 3430 Hz and a pressure amplitude of 1 Pa.
a.) Which sound wave has a higher pitch?
b.) Which sound wave is louder?
Fill in the following:
The intensity of Y is that of X by ____ times.
Soundwave Y is dB soundwave X.
Homework Answers
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Two sound waves (call them X and Y) travel through the air. Wave
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A plane wave at 2,000 Hz has a sound intensity level of 75 dB. What is Prms in Pa? d. 3.6x10 5.1x10-1 f. None of the above a. 3.6x10-2 b. 1.1x10-1 c. 2.3x10-1 e. 0. A plane wave at 1,050 Hz in air at room temperature has a sound intensity level of 60 dB. What is the wavelength in ft? a. 0.27 b. 0.33 d. 0.90 1.07 e. c. 0.78 f. None of the above
A plane wave at 2,000...
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1. If a sound of frequency 1000 Hz has intensity level 30 dB,
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sound? (Answer is NOT 50.12 x 10^-12)
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