Two Pulses of Identical Shape Travel Toward Each Other in Opposite

question 8

Multiple Choice

Two pulses of identical shape travel toward each other in opposite directions on a string, as shown in the drawing. Which one of the following statements concerning this situation is true?

• A)The pulses will reflect from each other.
• B)The pulses will diffract from each other.
• C)The pulses will interfere to produce a standing wave.
• D)The pulses will pass through each other and produce beats.
• E)As the pulses pass through each other, they will interfere destructively.

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Definitions:

Difference Threshold

The minimum amount of change needed in a stimulus for the difference to be noticeable.

Weber's Law

A principle stating that the smallest noticeable difference in stimulus intensity is a constant proportion of the intensity of the initial stimulus.

Sensory Adaptation

The mechanism in which sense receptors reduce their responsiveness to steady stimuli over a period, helping organisms to pay attention to alterations in their surroundings.

Cochlear Implant

A surgically implanted electronic device that provides a sense of sound to a person who is profoundly deaf or severely hard of hearing.