When a Ray of Light Traveling in Air Is Incident

question 121

Multiple Choice

When a ray of light traveling in air is incident at θ = 50º on a plane-parallel slab of glass as illustrated, the light ray

• A) is 100 percent reflected at the first surface.
• B) is 100 percent reflected at the second surface.
• C) emerges parallel to the incident ray and is not displaced to one side or the other of the incident ray.
• D) is absorbed if the wavelength is greater than 450 nm.
• E) is not described by any of these statements.

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Definitions:

Unconditioned Stimuli

In classical conditioning, a stimulus that innately and instinctively elicits a reaction without any previous learning.

Negative Reinforcers

Stimuli that, when removed after a particular behavior, increase the likelihood of that behavior being repeated in the future.

Cumulative Recorder

A device used in behavioral psychology to record the frequency of behaviors over time, creating a graphical representation.

Graphic Record

A visual representation of data or information, usually in the form of charts, graphs, or diagrams.