Two Stereo Speakers Mounted 4

Two stereo speakers mounted 4.52 m apart on a wall emit identical sound waves.You are standing at the opposite wall of the room at a point directly between the two speakers.You walk 2.11 m parallel to the wall,to a location where you first notice that the sound intensity is essentially zero.If the wall along which you are walking is
From the wall with the speakers,what is the wavelength of the sound waves? The walls are cushioned to absorb sound reflections.

A) 1.71 m
B) 2.05 m
C) 2.57 m
D) 2.91 m

Correct Answer:

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