A Thousand Years After the "Big Bang" the Background Temperature $\backsim$

question 18

Multiple Choice

A thousand years after the "Big Bang" the background temperature of the universe was at $\backsim$ 10⁵ K.The peak wavelength of the blackbody radiation at that temperature is

• A)29 nm
• B)290 nm
• C)56 nm
• D)560 nm
• E)730 nm

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Definitions:

Maslow's Hierarchy

A psychological theory proposing a five-tier model of human needs, ranging from basic physiological needs to higher-level self-actualization needs, influencing motivation.

Collectivist Societies

Societies that prioritize the group over the individual, emphasizing interdependence, cooperation, and the welfare of the group as a whole.

Collectivist Societies

Societies or cultures that prioritize the needs and goals of the group over the desires or demands of the individual.

Social Needs

Refers to the essential human requirements for belonging, love, and interaction with others.