Author Question: In the context of the mass-luminosity relation, a star with a mass of 2 solar masses on the main ... (Read 60 times)

itsmyluck

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In the context of the mass-luminosity relation, a star with a mass of 2 solar masses on the main sequence would have a luminosity of approximately _____ solar luminosities.
 
  A) 2.5
  B) 4
  C) 11
  D) 0.5

Question 2

Which of the following statements is true of white dwarfs?
 
  A) Some of them are among the hottest stars known.
  B) Few of them are positioned in the upper-right corner of the Hertzsprung-Russell (H-R) diagram.
  C) They have high luminosities.
  D) They have a very big surface area from which they radiate energy.



dpost18

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Answer to Question 1

C

Answer to Question 2

A



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