TS EAMCET Medical 09 AUG 2021 Shift 1 Paper

A block of ice at 0′ C is kept on the upper surface of a slab of thickness 10cm and having a lower sufface area of 3360cm2. The lower sufface of the slab is exposed to steam at 100∘C.5g of ice melts in 10min. What is the thermal conductivity of the slab. [latent‌heat‌off‌fusion‌of‌ice=3.36×105Jkg−1]