Q. For determining the velocity of flow of underground water, the most commonly usednonempirical formula is (Solved)
1. Darcy's formula
2. Slichter's formula
3. Hazen's formula
4. Lacy's formula
- a. Darcy's formula
1. Darcy's formula
2. Slichter's formula
3. Hazen's formula
4. Lacy's formula