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

question 202

Multiple Choice

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 343 m/s.

• A) 211 Hz
• B) 422 Hz
• C) 674 Hz
• D) 256 Hz
• E) 512 Hz

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Definitions:

Animals

Multicellular, eukaryotic organisms in the kingdom Animalia or Metazoa, characterized by their ability to move voluntarily and consume organic material.

Exhibitionism

A paraphilia characterized by the recurrent urge or behavior to expose one's genitals to an unsuspecting person for sexual pleasure.

Displaying Genitals

The act of exposing one's sexual organs in a public or private setting, which can vary in social acceptability based on context.

Unsuspecting Stranger

Describes an individual who is unaware of and unprepared for a particular situation or action that may occur, often used in contexts involving deception or surprise.