Discussion Forum : Heat And Mass Transfer
Question - Depending on the radiating properties, a body will be opaque when
Options:
A .  P = 0, x = 0 and a = 1
B .  P=1, x = 0 and a = 0
C .  P = 0, x = 1 and a = 0
D .  X = 0, a + p = 1
Answer: Option D

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