Answer :
Answer:
The answer according to the given equation is S = 0.00077 cm
Explanation:
According to this equation
S = (4Dt)^1/2
S = (4* 1^e-8 * 15)^0.5
S = 0.00077 cm
According to the Approximation equation for diffusion time
t ≅ S^2 / 2D
S = 0.00055 cm