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Curtis Nolingal Curtis Nolingal
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3 years ago
A collection of atoms has 20% of the sample in a state above the ground state. If these emit coherent radiation, what is the wavelength of the laser light produced? (c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ∙ s, 1 eV = 1.60 × 10-19 J)  

34 nm

91 nm

210 nm

340 nm
Textbook 
Essential University Physics

Essential University Physics


Edition: 3rd
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squallysqually
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3 years ago
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