Per Unit Area (Such as a Square Centimeter),a B Star

question 7

Multiple Choice

Per unit area (such as a square centimeter) ,a B star whose surface temperature is 10,000 K will put out how much radiation compared to an O star whose surface temperature is 30,000 K?

• A) 81 times as much
• B) 9 times as much
• C) 1/81 as much
• D) 1/9 as much
• E) 1/3 as much

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Definitions:

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