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Razia conducted an experiment in the field related to the rate of percolation. She observed that it took 40 min for 200 mL of water to percolate through the soil sample. Calculate the rate of percolation.
According to the experiment conducted by Razia in the field,
Amount of water = 200ml.
Percolation time = 40 min.
$Percolation \ rate = \frac {amount \ of \ water (ml)}{percolation \ time (min)}$
$=\frac{200ml}{40min}$
= 5ml/min
[Extra information: Percolation is the process by which water moves downward through the soil under influence of gravitational forces. The rate of percolation depends on the water content and the hydraulic conductivity of the soil. Percolation rate means the rate of water movement through soil. It is usually measured and assigned on the basis of elapsed time per unit volumetric water level drop. The percolation rate is commonly expressed in minutes per inch (mpi). Sandy soil is quite loose, so the percolation rate of water is highest in sandy soil but lowest in clay soil because it is very compact.]
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