Question

How does radiation differ from convection? (104 points)

a Radiation can move through empty space to transfer heat; convection cannot.

b Radiation needs a medium in order for heat to transfer; convection does not.

c Radiation requires objects to have direct physical contact; convection does not.

d Radiation transmits heat by circulating particles in an object; convection does not.

Answer 1

Choice A

Radiation can move through empty space to transfer heat; convection cannot.