6125. For one dimensional flow of an incompressible fluid in unsteady state in x-direction, the continuity equation is given by September 7, 2025 by Admin ∂u/∂x = 0 ∂(ρu)/∂x = 0 ∂u/∂x = – ∂ρ/∂t ∂ρ/∂t = 0 ✅ The correct answer is option A.