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:

Contingency Management

A type of behavioral therapy in which certain behaviors are reinforced by rewards or sometimes punishment to modify behavior.

Behavior Therapy

A type of psychotherapy focused on changing negative or unhealthy behaviors using learning principles and conditioning techniques.

Modeling

A process in cognitive science and artificial intelligence that involves creating mathematical or computational representations of real-world phenomena.

Flooding

A behavioral therapy technique that involves exposing the person to their phobias or fears in a safe and controlled manner until the fear response is diminished.