The Sound from a Single Source Can Reach Point O

question 9

Multiple Choice

The sound from a single source can reach point O by two different paths. One path is 20.0 m long and the second path is 21.0 m long. The sound destructively interferes at point O. What is the minimum frequency of the source if the speed of sound is 340 m/s?

• A) 340 Hz
• B) 6800 Hz
• C) 520 Hz
• D) 680 Hz
• E) 170 Hz

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Definitions:

Cohesiveness

The feature of a tight-knit group characterized by strong bonds among its members, fostering unity and joint commitment.

Relationships

Connections or associations between individuals or entities based on social, emotional, or professional interactions.

Circumstantial Groups

Groups formed due to external situations or conditions rather than shared interests or goals.

Bystanders

Individuals who are present at an event or incident but do not take an active role in its outcome.