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512 calories of radiation is incident on a body. It absorbs 220 calories the coefficient of emission is (a) 0.43 (b) 0.57 (c) 1.7 (d) 0.34

512 calories of radiation is incident on a body. It absorbs 220 calories the coefficient of emission is
(a) 0.43
(b) 0.57
(c) 1.7
(d) 0.34

Grade:Upto college level

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
11 months ago
Dear student

The answer is option a 220/512

Regards
Vikas TU
14149 Points
11 months ago
e = absorbed energy / incident energy 
e = 220/512 = 0.43 
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