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:

Axon Hillock

The cone-shaped area of a neuron where the axon originates and where action potentials are initiated.

Telodendria

Fine, thread-like extensions of axons and dendrites at the terminus of neurons, thought to play a role in the transmission of electrical signals to adjacent neurons.

Nucleus

A membrane-bound organelle found in eukaryotic cells that contains the cell's chromosomes, thereby functioning as the cell's command center for gene expression and DNA replication.

Pyramidal Cell

Distinctively shaped interneuron found in the cerebral cortex.