Shape factor for sphere is – McqOptions

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1.	Shape factor for sphere is
A.	4 π r 1 r 2
B.	4 π r 1 r 2/r 2 – r 1
C.	4 π /r 2 – r 1
D.	r 1 r 2/r 2 – r 1
Answer» C. 4 π /r 2 – r 1

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