To Produce Beats It Is Necessary to Use Two Waves

question 14

Multiple Choice

To produce beats it is necessary to use two waves:

• A)traveling in opposite directions
• B)of slightly different frequencies
• C)of equal wavelengths
• D)of equal amplitudes
• E)whose ratio of frequencies is an integer

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Definitions:

Withdrawal Reflex

A rapid, automatic response to a painful stimulus that involves the immediate retraction of the body part encountering the pain to avoid damage or injury.

Sensory Receptor

The ending of an afferent neuron that is specialized to detect specific energy stimuli in its environment.

Sensory Neuron

A nerve cell that is directly involved in receiving and transmitting information from sensory stimuli to the central nervous system.

Synaptic Plasticity

The ability of synapses to change in response to certain types of stimuli. Synaptic changes occur during learning and memory storage.