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.
Discussion:
14 comments Page 2 of 2.
Mallu said:
2 years ago
A grey body is also defined as one whose absorptivity of a surface does not vary with the temperature and wavelength of the incident radiation.
(3)
PRASURJYA DAS said:
2 years ago
I too agree the right answer is option (C) remains constant.
(3)
Prince ydv said:
11 months ago
It remains constant because the gray body's absorptivity is independent of wavelength and temperature.
Afjal said:
8 months ago
A grey body is defined as a material whose absorptivity is independent of the wavelength of radiation.
(1)
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