With the usual meanings of letters, the equation V = 400 I (D10²/4) is used for determining the
velocity of ground water flow in metres per day. It is known as
(A) Meinzer's formula
(B) Slichter's formula
(C) Darcy's formula
(D) Hazen's formula
velocity of ground water flow in metres per day. It is known as
(A) Meinzer's formula
(B) Slichter's formula
(C) Darcy's formula
(D) Hazen's formula