Two Mirrors Are at Right Angles to One Another $\degree$ With Respect to the Normal to the Surface

question 5

Multiple Choice

Two mirrors are at right angles to one another.A light ray is incident on the first at an angle of 30 $\degree$ with respect to the normal to the surface.What is the angle of reflection from the second surface?

• A)30\(\degree\)
• B)60\(\degree\)
• C)45\(\degree\)
• D)53\(\degree\)
• E)75\(\degree\)

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Definitions:

Negative Reinforcement

A behavioral principle where the removal of an unpleasant stimulus strengthens a behavior’s occurrence.

Omission Training

A method in behavioral psychology where a desirable outcome is removed following unwanted behavior, as a form of negative punishment.

Extinction

In behavioral psychology, the gradual decrease and eventual disappearance of a conditioned response when it is no longer reinforced.

Negative Reinforcement

A learning process where the removal of an unpleasant stimulus strengthens a behavior.