A certain dye absorbs light of `lamda = 4000 �` and then fluresces light of `5000 �`. Assuming that
Channel: Doubtnut
Date: 2020-01-19

A certain dye absorbs light of `lamda = 4000 �` and then fluresces light of `5000 �`. Assuming that under given conditions `50 %` of the absorbed energy is re-emitted out as fluorescence, calculate the ratio of number of quanta emitted out to the number of quanta absorbed.