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

If the radius of a star is R and it acts as a block body . What would be the temperature of the star, in which the rate of energy production is Q?

A

`(Q//4pi R^2 sigma)^(-1//2)`

B

`(4 pi R^2Q//sigma)^(-1//2)

C

`(Q//4 pi R^2 sigma)^(1//4)`

D

`Q//4 pi R^2)sigma`

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