890. Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as September 6, 2025 by Admin A. Gr0.25, Gr B. Gr0.25, Gr0.33 C. Gr, Gr0.25 D. Gr0.33, Gr0.25 ✅ The correct answer is option A.