Light and other forms of radiation can act...

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Question 1 of 2066636eee28f7522a1c51ec7d

Light and other forms of radiation can act as a means of transporting heat energy from one body to another. This radiative transport is different from conduction and convection in that it does not involve __________.

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Question 1 of 20

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🔍 Key Concepts

• three modes of heat transfer: conduction, convection, radiation • role of molecules and a material medium in conduction and convection • how electromagnetic waves carry energy in radiation

💭 Think About

• Which modes of heat transfer require actual particles (molecules) moving or colliding with each other? • Can radiation move through a vacuum, like space, where there is no matter? What does that tell you about what radiation does not need? • Look at each answer choice: which one specifically describes a process that involves molecules or matter directly doing something?

✅ Before You Answer

• Identify which answer choice clearly refers to molecular motion or collisions. • Eliminate any choices that talk about vague ideas like inefficiencies or "indirect" effects rather than a basic physical mechanism. • Confirm that your final choice matches the idea that radiation can occur through empty space (vacuum) without any material medium.

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