(a) calculate the wavelengths in air at 20°C for sounds in the maximum range of human hearing, 20 Hz to 20,000 Hz.
(b) what is the wavelength of a 10-MHz ultrasonic wave?
The expert examines linear superpositions and interferences.
Linear Superposition and Interference Phenomena
The location of the speakers in this problem is what's throwing me off.
Two speakers, one directly behind the other, are each generating a 245-Hz sound wave. What is the smallest separation distance between the speakers that will produce destructive interference at a listener standing in front of them? The speed of sound is 343 m/s.View Full Posting Details