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.

---

Definitions:

Structural-Functionalists

Sociologists who focus on understanding society as a complex system, where its components work together to maintain cohesion and order.

Labor Theory of Value

An economic theory, most closely associated with Karl Marx, which posits that the value of a commodity is determined by the socially necessary labor time required for its production.

Exchange Value

The worth of a good or service determined by what it can be traded or exchanged for in the market.

Use Value

The utility of a good or service for satisfying a need or providing a benefit to the user, as opposed to its exchange value or price.