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Calculate the ratio of spontaneous emission to stimulated emission if the wavelength of radiation emission is 5400Å at 2000 K

Calculate the ratio of spontaneous emission to stimulated emission if the wavelength of radiation emission is 5400Å at 2000 K

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Calculate the ratio of spontaneous emission to stimulated emission if the wavelength of radiation emission is 5400Å at 2000K O a. 7.661 x 105 O b. 10.692 x 105 O c. 5.971 x 105 O d. 4.3 x 105
Transcribed Image Text:Calculate the ratio of spontaneous emission to stimulated emission if the wavelength of radiation emission is 5400Å at 2000K O a. 7.661 x 105 O b. 10.692 x 105 O c. 5.971 x 105 O d. 4.3 x 105
A solid state laser is generating a laser beam of 5x10-3 J/s. Calculate the number of photons emitted by the laser. The wavelength of the emitted radiation is 650 nm. (1 nm = 10 A°) %3D О а. 130 х 1013 O b. 144 x 1014 Ос 105 х 1015 O d. 164 x 1014
Transcribed Image Text:A solid state laser is generating a laser beam of 5x10-3 J/s. Calculate the number of photons emitted by the laser. The wavelength of the emitted radiation is 650 nm. (1 nm = 10 A°) %3D О а. 130 х 1013 O b. 144 x 1014 Ос 105 х 1015 O d. 164 x 1014
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