The fraction of the radiative energy that is diffused from one surface element a

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The fraction of the radiative energy that is diffused from one surface element and strikes the other surface directly with no intervening reflections is called
(i) Radiation shape factor
(ii) Geometrical factor
(iii) Configuration factor
Choose the correct answer

Options:

A . 1 only

B . 2 only

C . 1, 2 and 3

D . 3 only

Answer: Option C
Answer: (c).1, 2 and 3

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