Two Speakers Face Each Other at a Distance of 1

question 22

Multiple Choice

Two speakers face each other at a distance of 1 m and are driven by a common audio oscillator.A first minimum in sound intensity is found 16.1 cm from the midpoint.If the velocity of sound is 330 m/s,find the frequency of the oscillator.

• A)256 Hz
• B)1024 Hz
• C)512 Hz
• D)341 Hz
• E)683 Hz

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Definitions:

Balance

A state of equilibrium or equipoise; physically, it refers to the ability to maintain bodily stability, and metaphorically, it can refer to a state of emotional or cognitive stability.

Forebrain

The anterior part of the brain, including the cerebral hemispheres, the thalamus, and the hypothalamus, involved in complex behavioral and cognitive processes.

Motivations

The reasons or drivers behind one's actions or desires.

Emotions

Complex psychological states that involve a subjective experience, a physiological response, and a behavioral or expressive response.