PHYSICS · Single correct · A Level · Physics · Waves · Waves
Problem
9. Assume the speed of sound is 340m/s. One stereo loudspeaker produces a sound with a wavelength of 0.68 meters while the other speaker produces sound with a wavelength of 0.65 m . What would be the resulting beat frequency?
(A) 3 Hz
(B) 23 Hz
(C) 511.5 Hz
(D) 11,333Hz