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Q: Vhat is the third line in the Balmer series (m=2)? D 656 nm D 486 nm D 434 nm D 184 nm
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Q: Sketch a diagram showing the 3-level laser
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Q: Find the quantum volume, in m3, of a nitrogen molecule at a temperature of 293 K.
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Q: What are the characteristics of the electron spectra of atoms and molecules?
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