(Solved): Question 3 A speaker generates a continuous tone of 460Hz. In the drawing, sound travels into a tub ...

Question 3 A speaker generates a continuous tone of

. In the drawing, sound travels into a tube that splits into two paths, one longer than the other. The sound waves recombine before being detected by a microphone. The speed of sound in air is

. What is the minimum difference in the lengths of the two paths for sound travel if the waves arrive exactly out of phase at the microphone?