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Lina20 [59]
3 years ago
7

Two stereo speakers mounted 4.52 m apart on a wall emit identical in-phase 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 drops to zero.
If the wall along which you are walking is 10.7 m from the wall with the speakers, what is the wavelength of the sound waves?


a) 2.1 m


b) 2.9 m


c) 0.9 m


d) 1.7 m
Physics
1 answer:
Delicious77 [7]3 years ago
4 0
The answer is option c) 0.9 m
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