Which mechanism for heat transfer can operate in a vacuum?
A) radiation
B) conduction
C) convection
D) contraction

Question

Quizplus · Accepted Answer

Radiation is the only mechanism for heat transfer that can operate in a vacuum because it does not require a medium to transfer heat. Conduction and convection both require a medium, such as a solid or fluid, to transfer heat. Contraction is not a mechanism for heat transfer.

Which Mechanism for Heat Transfer Can Operate in a Vacuum