MCQOPTIONS
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| 1. |
Why phosphorescence measurements are usually made at a low temperature? |
| A. | To prevent thermal degradation of the phosphorescent species |
| B. | To promote phosphorescence by slowing the rate of radiationless transfer processes |
| C. | To increase the efficiency of the detector |
| D. | To decease the efficiency of detector |
| Answer» C. To increase the efficiency of the detector | |