The Wave Front Shown at the Left for Light in Air

question 3

Multiple Choice

The wave front shown at the left for light in air reaches the plane surface (shown by a slanted line) that bounds a medium with n = 1.50. Which diagram below correctly shows the wave front while entering the medium at the right?

• A)A
• B)B
• C)C
• D)D

---

Definitions:

Preventative Facework

Communication strategies used to preemptively avoid embarrassment or loss of face in social interactions.

Protective Facework

Strategies employed to preserve an individual's self-image or public image during social interactions.

Corrective Facework

A communication strategy used to address and repair damage to a person's image or reputation after a social or normative transgression.

Positive Facework

involves communicative strategies used to support, enhance, or approve the public self-image of another person.