MCQOPTIONS
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| 1. |
In population inversion, no of electrons in _____ are more as compared to numbers of electrons in _____ |
| A. | quasi-stable state, ground state |
| B. | meta-stable state, ground state |
| C. | meta-stable state, quasi-stable state |
| D. | mono-stable state, ground state |
| Answer» C. meta-stable state, quasi-stable state | |