Q. Depending on the radiating properties, a body will be opaque when
A. p = 0, x = 0 and a = 1
B. p = 0, x = 1 and a = 0
C. x – 0, a + p = 1
D. a=0,x + p= 1
Answer: x – 0, a + p = 1
We will be happy to hear your thoughts