Laser – 6

6. In the population inversion :

(a) the number of electrons in ground and higher energy state are same.
(b) the number of electrons in ground energy state is more than the higher  state.
(c) the number of electrons in higher energy state is more than the ground state.
(d) none of these.

Answer : (c)

Explanation : No answer description available for this question. Let us discuss.

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