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1. |
A dye absorbs a photon of wavelength \[\lambda \] and re-emits the same energy into two photons of wavelength \[{{\lambda }_{1}}\] and \[{{\lambda }_{2}}\] respectively. The wavelength \[\lambda \] is related with \[{{\lambda }_{1}}\] and \[{{\lambda }_{2}}\] as: |
A. | \[\lambda =\frac{{{\lambda }_{1}}+{{\lambda }_{2}}}{{{\lambda }_{1}}{{\lambda }_{2}}}\] |
B. | \[\lambda =\frac{{{\lambda }_{1}}{{\lambda }_{2}}}{{{\lambda }_{1}}+{{\lambda }_{2}}}\] |
C. | \[\lambda =\frac{{{\lambda }_{1}}^{2}{{\lambda }_{2}}^{2}}{{{\lambda }_{1}}+{{\lambda }_{2}}}\] |
D. | \[\lambda =\frac{{{\lambda }_{1}}{{\lambda }_{2}}}{{{({{\lambda }_{1}}+{{\lambda }_{2}})}^{2}}}\] |
Answer» C. \[\lambda =\frac{{{\lambda }_{1}}^{2}{{\lambda }_{2}}^{2}}{{{\lambda }_{1}}+{{\lambda }_{2}}}\] | |