When metallic surfaces are oxidized the emissivity
A)Depends on the temperature
B)Depends on other factors
C)Decreases
D)Does not change
E)Increases

Name: When metallic surfaces are oxidized the emissivity A)Depends on the temperature B)Depends on other factors C)Decreases D)Does not change E)Increases
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Question

Quizplus · Accepted Answer

The emissivity of a metallic surface increases when it is oxidized because the oxide layer has a higher emissivity than the metal itself.

When Metallic Surfaces Are Oxidized the Emissivity