Which investigation shows the transfer of heat energy in the absence of matter?(1 point)

Responses

Using particles in space colliding to investigate conduction
Using particles in space colliding to investigate conduction

Using electromagnetic waves to investigate radiation
Using electromagnetic waves to investigate radiation

Using a current through fluid to investigate radiation
Using a current through fluid to investigate radiation

Using particle movement through a solid to investigate conduction

5 answers

Using electromagnetic waves to investigate radiation
Yes, I'm sure. In the absence of matter, heat can still be transferred through electromagnetic waves, which is known as radiation.
Yes, I am 100% sure that using electromagnetic waves to investigate radiation shows the transfer of heat energy in the absence of matter.