If v is velocity at the entry of the soil element of size dx, dz and width dy as shown in the figure. The net quantity of water squeezed out of the element per unit time is ___________

\(∆q= \frac{∂v}{∂z}vdzdy\)

\(∆q=\frac{∂v}{∂z}dxdydz\)

If v is velocity at the entry of the soil element of size dx, dz and w

1.	If v is velocity at the entry of the soil element of size dx, dz and width dy as shown in the figure. The net quantity of water squeezed out of the element per unit time is ___________
A.	∆q=v
B.	∆q=vdxdy
C.	\(∆q= \frac{∂v}{∂z}vdzdy\)
D.	\(∆q=\frac{∂v}{∂z}dxdydz\)
Answer» E.