A sphere of radius ‘R1’ is enclosed in a sphere of radius ‘R2’. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is ________?

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A(R1/R2)2

CR2/(R1+R2)

Correct answer

C. R2/(R1+R2)

Explanation

The correct answer is R2/(R1+R2).

A sphere of radius ‘R1’ is enclosed in a sphere of radius ‘R2’. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is ________? - Answer and Explanation | Academy of Pakistan