Star a Is Twice as Luminous as Star B but Has

question 40

Multiple Choice

Star A is twice as luminous as star B but has half the temperature of star B.How large is the radius of star A compared to star B?

• A) 23/2 as large
• B) 22 as large
• C) 25/2 as large
• D) 23 as large

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Definitions:

Ego

In psychology, a component of Sigmund Freud's theory of personality, the ego operates based on the reality principle, balancing the desires of the id and the moral constraints of the superego.

Id

A component of the psyche in psychoanalytic theory that is responsible for instinctual drives and demands immediate satisfaction.

Libido

A term used to describe sexual drive or desire, often discussed in psychoanalytic theories.

Heinz Kohut

A psychoanalyst known for his development of self psychology, which emphasizes the importance of empathetic relationships in the formation of the self.