

MCQOPTIONS
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1. |
Depending on the radiating properties, a body will be black when(Where a = absorptivity, p = reflectivity, X = transmissivity.) |
A. | P = 0, x = 0 and a = 1 |
B. | P= 1, T = 0 and a = 0 |
C. | P = 0, x = 1 and a = 0 |
D. | X = 0, a + p = 0 |
Answer» B. P= 1, T = 0 and a = 0 | |