Answer to Question #150708 in Physics for Baljeet Singh

Question

You are standing in front of two side-by-side loudspeakers playing sounds of the same

frequency. Initially, there is almost no sound at all. Then one of the speakers is moved slowly

away from you. The sound intensity increases as the separation increases, reaching a maximum

when the speakers are 0.75 m apart. As the speaker continues to move, the sound starts to

decrease.

a. Draw a picture of the situation when the speakers are side-by-side. Show the

interference pattern.

b. Draw a picture of the situation when the speakers are 0.75 m apart. Show the

interference pattern.

c. What is the distance between the speakers when the sound intensity is again a

minimum?

Answer 1

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