Q. Depending on the radiating properties, a body will be opaque when (where a = absorptivity, p = reflectivity, X = transmissivity.) (Solved)
1. p = 0, x = 0 and a = 1
2. p=l,x = 0anda = 0
3. p = 0, x = 1 and a = 0
4. x – 0, a + p = 1
5. a=0,x + p= 1.
- d. x – 0, a + p = 1