What is the only form of heat transfer that can operate in a vacuum?
A) convection
B) conduction
C) radiation
D) advection

Question

Quizplus · Accepted Answer

Radiation is the only form of heat transfer that can operate in a vacuum because it does not require a medium to transfer heat energy. Convection and conduction both require a medium such as air or a solid object to transfer heat, while advection refers specifically to the transfer of heat by a moving fluid.

What Is the Only Form of Heat Transfer That Can