Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning - Discussion

Discussion Forum : Heat Transfer, Refrigeration and Air Conditioning - Section 5 (Q.No. 12)
12.
The emissivity of a polished silver body is __________ as compared to black body.
same
low
very low
high
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Afridi said:   3 years ago
Why it is very low, isn't emissivity is total emission from a body, the black body absorbs all and does not emit then why does silver has very low emissivity?

Please correct me if I am wrong.

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