Two Speakers Are Placed Side by Side and Driven by the Same

question 99

Multiple Choice

Two speakers are placed side by side and driven by the same frequency of 0.50 kHz.If the distance from a person to one speaker is 5.0 m and the person detects little or no sound,which of the following is a possible the distance from the person to the other speaker? The sound speed in the room is 340 m/s.

• A)7.7 m
• B)8.1 m
• C)8.4 m
• D)9.1 m

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