If dₚ is the equivalent diameter of a non-spherical particle, Vₚ its volume and sₚ its surface area, then its sphericity is Φₛ is defined by

If dₚ is the equivalent diameter of a non-spherical particle, Vₚ i

1.	If dₚ is the equivalent diameter of a non-spherical particle, Vₚ its volume and sₚ its surface area, then its sphericity is Φₛ is defined by
A.	Φₛ = 6 Vₚ/dₚ sₚ
B.	Φₛ = Vₚ/dₚ sₚ
C.	Φₛ = 6 dₚ Sₚ/Vₚ
D.	Φₛ = dₚ Sₚ/Vₚ
Answer» B. Φₛ = Vₚ/dₚ sₚ

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If dₚ is the equivalent diameter of a non-spherical particle, Vₚ its volume and sₚ its surface area, then its sphericity is Φₛ is defined by

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