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When sunlight shines on the atmosphere, mass of CO_(2) at an altitude of 75 km undergo natural laser action. The energy levels involved in the action are shown in fig Population inversion occurs between levels E_2 and E_1. The wavelength at which lasing occurs is |
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Answer» 60100Å The `lambda_(La)=(hc)/(E_(2)-E_(1))=100250 Å` |
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