Discussion Forum

Que. Shape factor for sphere is
a. 4 π r₁ r₂
b. 4 π r₁ r₂/r₂ – r₁
c. 4 π /r₂ – r₁
d. r₁ r₂/r₂ – r₁
Correct Answer:4 π r₁ r₂/r₂ – r₁
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