A Phase Shift of 180º Occurs When a Light Wave

question 33

Multiple Choice

A phase shift of 180º occurs when a light wave

• A)is transmitted through a boundary surface into a medium that is more dense than the medium from which the wave came.
• B)is transmitted through a boundary surface into a medium that is less dense than the medium from which the wave came.
• C)reflects from the boundary surface of a medium that is less dense than the medium in which the wave is traveling.
• D)reflects from the boundary surface of a medium that is more dense than the medium in which the wave is traveling.
• E)Both c and d are correct.

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Definitions:

Id

In psychoanalytic theory, the part of the personality structure that contains a person's basic drives and instincts, operating on the pleasure principle.

Hot Dog

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Defense Mechanism

A means used by the ego to defend against anxiety and to maintain self-esteem.

Metaphor

A figure of speech in which a word or phrase is applied to an object or action to which it is not literally applicable, suggesting a similarity.