MCQOPTIONS
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| 1. |
Q: A gas absorbs a photon of 355 nm and emits at two wavelengths. If one of the emissions is at 680 nm, the other is at : |
| A. | 518 nm |
| B. | 1035 nm |
| C. | 325 nm |
| D. | 743 nm |
| Answer» E. | |