Which Of The Following Statements About Thermal Radiation Is Always True

(Correct Answer Below)

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Which Of The Following Statements About Thermal Radiation Is Always True

-A hot object emits more radiation per unit surface area than a cool object. -All the light emitted by hot object has higher energy than the light emitted by a cooler object. -A hot object produces more total infrared emission than a cooler object. -A cold object produces more total infrared and radio emission per unit surface area than a hot object.
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A hot object emits more radiation per unit surface area than a cool object.

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