Question

which of the following would be most useful for studying the effects of radiation in heating matter? butter melting in a pan a pot of water over a heat source food being heated in a microwave a steel rod with one end in the heat source

Explanation:

Microwaves heat food through electromagnetic - radiation. Butter melting in a pan, water heating over a heat source, and a steel rod with one end in a heat source mainly involve conduction or convection.

Answer:

C. food being heated in a microwave