A copper rod of length 60 cm long and 8 mm in radius is taken and its one end is kept in boiling water and the other end in ice at 0^(@) C. If 72 gm of ice melts in one hour with is the thermal conductivity of copper ? Latent of fusion of ice = 336 "KJ/Kg".

A copper rod of length 60 cm long and 8 mm in radius is taken and its

1.	A copper rod of length 60 cm long and 8 mm in radius is taken and its one end is kept in boiling water and the other end in ice at 0^(@) C. If 72 gm of ice melts in one hour with is the thermal conductivity of copper ? Latent of fusion of ice = 336 "KJ/Kg".
Answer» SOLUTION :`K = m angle A ( theta_1 - theta_2) , t= 72xx 10^(-3) xx 336 xx 10^(-3) xx 0.60//pi xx (8 xx 10^(-3) )^(2) xx 100 xx 3600 = 200.64 "WM"^(-1) "K"^(-1)`