In a 20 m deep lake the bottom is at a constant temperature

Last updated: 6/9/2023

In a 20 m deep lake the bottom is at a constant temperature of 4 C The air temperature is constant at 10 C If the thermal conductivity of ice is 4 times that of water Neglecting the expansion of water on freezing the maximum thickness of ice will be 11 m 200 11 m O 20 m 0 10 m