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If the radius of a star is R and it acts...

If the radius of a star is R and it acts as a black body, what would be the temperature of the star, in which the rate of energy production is Q?
(`sigma` stands for stefan's constant)

A

`((4piR^(2)Q)/(sigma))^(1//4)`

B

`((Q)/(4piR^(2)sigma))^(1//4)`

C

`(Q)/(4piR^(2)sigma)`

D

`((Q)/(4piR^(2)sigma))^(-1//2)`

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