Given:
Lf
Required:
Unit of Lf.
Explanation:
Lf stands for the latent heat of fusion.
Latent heat of fusion is the amount of heat energy required by a substance of 1 kg to change its state from solid to liquid without a change in the temperature of the substance.
Thus, the unit of energy is J/kg.
Here, J is the unit of energy and kg is the unit of mass of a substance.
Final Answer: The correct option is J/kg
