Radiant heat is best defined as?

Radiant heat is best defined as a wave form of heat transfer because it involves the transfer of energy through electromagnetic radiation. This process does not require a medium, such as a solid or fluid, to transfer heat. Instead, radiant heat can travel through a vacuum, as exemplified by the heat from the sun reaching the Earth. It is characterized by the emission of infrared radiation, which can be absorbed by objects, leading to an increase in temperature. Understanding radiant heat is crucial in heating applications, energy efficiency, and even climate science, as it differentiates from other methods of heat transfer like conduction and convection that rely on direct contact or the movement of fluids.