If an Object Doubles Its Luminosity in 10 Hours,how Large

question 75

Multiple Choice

If an object doubles its luminosity in 10 hours,how large can the emitting source of light be?

• A)about 10 light-years across
• B)about 10 parsecs across
• C)about 10 light-hours across
• D)varies depending on how luminous the object is
• E)varies depending on how far away the object is

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