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The dye acriflavine when dissolved in water has its maximum light absorption at 4530 A and has maximum florescence emission at 5080 A. the number of florescence quanta is, on the average, 53% of the number of quanta absorbed. What percentage of absorbed light energy is emitted as fluorescence? (A) 41% (B) 47% (C) 74% (D) 63%



The dye acriflavine when dissolved in water has its maximum light absorption at 4530 A and has maximum florescence emission at 5080 A. the number of florescence quanta is, on the average, 53% of the number of quanta absorbed. What percentage of absorbed light energy is emitted as fluorescence?


(A)        41%


(B)        47%


(C)        74% 


(D)        63%


Grade:11

1 Answers

Amit Saxena
35 Points
7 years ago

Energy of each photon absorbed

    Energy of each photon emitted

    = 3.92 × 10–19 J

    Energy fraction emitted

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