Physics

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9 June, 21:03

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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