Grade Upto college level Engineering Entrance Exams
Coefficient of transmission and coefficient of reflection for a given body are 0.22 and 0.74 respectively. Then, at a given temperature, the coefficient of emission for the body is
(a) 0.4
(b) 0.04
(c) 0.96
(d) 0.22
sumit kumar
12 Years agoGrade Upto college level
2 Answers
Saurabh Koranglekar
6 Years ago
Dear student
The answer is option b
Regards
Vikas TU
6 Years ago
For a grey body a+r+t=1 if α=0.4,r=0.6 then t=1−0.4−0.6=0 The body is opaque