Coefficient of linear expansion of brass and steel rods are Lengths of brass and steel rods are is maintained same at all temperatures, which one of the following relations holds good?

At very low temperatures, the heat capacity $$\text{C}_\text{V}$$​ of a solid is:

​A copper block of mass 3 kg is heated in a furnace to a temperature of 450 °C and then placed on a large ice block. Find the maximum amount of ice that can melt? (specific heat of copper = 0.39 $$\text{Jg}^{-1}\text{K}^{-1}$$​, heat of fusion of water = 335 $$\text{Jg}^{-1}\text{K}^{-1}$$​)​

Which of the following statements is INCORRECT for heat ?