MCQOPTIONS
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				| 1. | 
                                    Depending on the radiating properties, a body will be opaque when | 
                            
| 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» E. | |