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  3. 1) the emission spectrum of a hollow cathode lamp

1) The emission spectrum of a hollow cathode lamp for molybdenum was found to have a...

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Chemistry

1) The emission spectrum of a hollow cathode lamp for molybdenumwas found to have a sharp peak at 313.3 nm as long as the lampcurrent was less than 50 mA. At higher currents, however, the peakdeveloped a cup-like crater at its maximum. Explain. 2) Why doesthe cathode of the hollow cathode lamp have a cylindrical shape?Why is an element lamp required as the source for AA? Which copperline was used for analysis of copper in the CAM experiment?

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4.4 Ratings (556 Votes)
1 This phenomenon is attributed toselfabsorption Selfabsorption is a process observed when a HCLlamp is operated at high currents where sputtering of a largenumber of atoms takes place Most atoms do not get enoughexcitation energy in this process and thus absorb emitted radiationfrom other excited atoms within the lamp The result is a splittingof the atomic line where the center of the line would have aminimum exactly at the    See Answer
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