Two Harmonic Sound Waves Reach an Observer Simultaneously

question 36

Multiple Choice

Two harmonic sound waves reach an observer simultaneously.The observer hears the sound intensity rise and fall with a time of 0.200 s between the maximum intensity and the succeeding minimum intensity.What is the difference in frequency of the two sound waves?

• A) 10.0 Hz
• B) 0.200 Hz
• C) 5.00 Hz
• D) 2.50 Hz
• E) 1.25 Hz

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Definitions:

Optimistic Explanatory Style

A psychological attribute characterized by the tendency to attribute positive events to personal, permanent causes and negative events to external, temporary causes.

Health Problems

Issues or conditions that negatively impact an individual's physical, mental, or emotional well-being.

Seligman

A psychologist known for his work on positive psychology, learned helplessness, and well-being.

Optimistic

Having a positive outlook or expectation about the future, believing that good things will happen.