Find the time in which a layer of ice thickness `h` will grow on the surface of the pond of surface area `A`, when the surrounding temperature falls to `-T^(@)C`.
(Assume `K=` thermal conductivity of ice, `rho-` densityy of water `L=` latent heat of fusion)
A. `t=(rhoL)/(2KT)h^(2)`
B. `t-(rhoL)/(KT)h^(2)`
C. `t=(rhoLh^(2))/(3KT)`
D. `t=(rhoLh^(2))/(4KT)`
