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Star a Has Twice the Kelvin Temperature at Its Surface

Question 78

Multiple Choice

Star A has twice the Kelvin temperature at its surface as does star B.The amount of energy radiated per unit area from the surface of A is:


A) the same as from B.
B) twice the amount from B.
C) 4 times the amount from B.
D) 16 times the amount from B.

Correct Answer:

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