How Does Ice Thickness Affect Heat Transfer in a Frozen Pond?

[nik jain]

The temperature at the bottom of a pond of depth L IS 4°C. The temperature of the air , just above the layer of ice frozen at the pond surface is -2°C.
THE THERMAL CONDUCTIVITY OF ICE IS THREE TIMES THAT OF WATER

The thickness of the frozen layer of ice must be-

 

[sophiecentaur]

Is this homework?
See this thread