Two in-phase loudspeakers that emit sound with the same frequency are placed along a wall and are separated by a distance of 5.00 m.A person is standing 12.0 m away from the wall,equidistant from the loudspeakers.When the person moves 1.00 m parallel to the wall,she experiences destructive interference for the first time.What is the frequency of the sound? The speed of sound in air is .
A)211 Hz
B)256 Hz
C)422 Hz
D)512 Hz
E)674 Hz

Question

Two in-phase loudspeakers that emit sound with the same frequency are placed along a wall and are separated by a distance of 5.00 m.A person is standing 12.0 m away from the wall,equidistant from the loudspeakers.When the person moves 1.00 m parallel to the wall,she experiences destructive interference for the first time.What is the frequency of the sound? The speed of sound in air is  .
A)211 Hz 
B)256 Hz 
C)422 Hz 
D)512 Hz 
E)674 Hz

Quizplus · Accepted Answer

The Answer of Two in-phase loudspeakers that emit sound with the same frequency are placed along a wall and are separated by a distance of 5.00 m.A person is standing 12.0 m away from the wall,equidistant from the loudspeakers.When the person moves 1.00 m parallel to the wall,she experiences destructive interference for the first time.What is the frequency of the sound? The speed of sound in air is  .
A)211 Hz 
B)256 Hz 
C)422 Hz 
D)512 Hz 
E)674 Hz

Two In-Phase Loudspeakers That Emit Sound with the Same Frequency