Physics · Heat Transfer
What defines a ideal 'black body' in the context of thermal radiation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A material that only absorbs and emits light within the visible spectrum
- 2A surface that reflects all incident radiation perfectly without any absorption
- 3A body that provides perfect thermal insulation against conduction
- 4An idealized physical body that absorbs all incident electromagnetic radiation and emits the maximum possible radiation at a given temperature✓
Correct answer
An idealized physical body that absorbs all incident electromagnetic radiation and emits the maximum possible radiation at a given temperature
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