Chemical Engineering - Heat Transfer - Discussion
Discussion Forum : Heat Transfer - Section 3 (Q.No. 29)
29.
The sum of reflectivity and absorptivity for an opaque body is equal to
Discussion:
2 comments Page 1 of 1.
NIRAV SAVALIYA said:
7 years ago
For opaque body, transmissivity is zero.
So, the other two's sum is 1 as a+t+r=1.
So, the other two's sum is 1 as a+t+r=1.
Umang said:
8 years ago
For opaque body absorbivity =0 reflectivity =1 so sum will be 0+1 =1.
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