Chemical Engineering - Heat Transfer - Discussion

Discussion Forum : Heat Transfer - Section 2 (Q.No. 5)
5.
The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation.
increases
decreases
remains constant
may increase or decrease ; depends on the material
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
14 comments Page 2 of 2.

Mohit said:   7 years ago
Yes, it remains constant.

Pranab said:   8 years ago
It remains constant.

Nayan said:   10 years ago
The emissivity and absorptivity of a gray body are independent of wavelength.

ANKITA said:   1 decade ago
It remains constant with changing wavelength at a given temperature.


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