Variations in the Output of Quasars Within a Few Hours

question 130

Multiple Choice

Variations in the output of quasars within a few hours are an indication:

• A) of the rapid rotation of the sources.
• B) that these objects are actually binary systems in which we see mutual eclipses.
• C) of the relatively small size of the emitting regions.
• D) of obscuring gas and dust clouds moving in front of them from our point of view.

---

Definitions:

Extrinsic Motivation

A form of motivation that is driven by external rewards such as money, fame, grades, or praise.

Intrinsic Motivation

The drive to engage in activities for their own sake, deriving pleasure and satisfaction from the activity itself rather than from any external rewards.

Individualistic Cultures

Individualistic Cultures emphasize personal goals, autonomy, and independence, valuing individual achievement over collective interests.

Collectivist Cultures

Societies that prioritize the group over the individual, stressing community, cooperation, and interdependence.