Which of the following is the correct expression for energy radiated – McqOptions

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1.	Which of the following is the correct expression for energy radiated by a body (Assume ε to be emissivity, A to be surface area, T to be temperature, f to be geometric factor)
A.	E = (1/f)εσAT4
B.	E = fεσAT4
C.	E = (1/f)εσAT2
D.	E = fεσAT2
Answer» C. E = (1/f)εσAT2

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