Question

What are the specific surface per unit volume Sv of spherical particles with density of 3 $gm/cm^3$ and volume surface diameter, dvs of 2.57μm?

• A. $7.78 x 10^3 cm^2/cm^3$
• B. $2.33 x 10^3 cm^2/cm^3$
• C. $1.55 x 10^3 cm^2/cm^3$
• D. $1.00 x 10^3 cm^2/cm^3$

Answer 1

Answer: (B)

$2.33 x 10^3 cm^2/cm^3$

Answer 2

The correct answer is option (B) : $2.33 x 10^3 cm^2/cm^3$