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History Bookmarks Window Help Fri 2 07 PM ugen.wiley plus.com Cengage Brain My Home Applying to with AMCAse MCAT study s. ule 75 Days LSU Mall myusu Apple Plus My McNeese ESPN icious Facebook. MyW Cutnell, Physics, 10e GENERAL PHYSICS Assignment Gradebook ORION FULL SCREEN 30, Problem 20 Go Doubly ionized lithium L2+ (z 3) and triply ionized beryllium Be3+ (z 4) each emit a line spectrum. For a certain series of lines in the lithium spectrum, the wavelength is 40.5 nm. For the same series of lines in the beryl um spectrum, what is the shortest wavelength? Number Units the tolerance is +/-2% GO TUTORIAL TO TEXT LINK TO TEXT Question Attempts: Unlimited SAVE FOR LATER SUBMIT ANSWER Maple Net o by John Wiley & Sons, Inc. or related companies. All rights reserved 2000-2017 US

Explanation / Answer

En =-13.6Z^2/n^2

hc/lamda = -13.6Z^2/n^2

hc/lamda = -13.6Z^2(1/n^2 - 1/m^2)

hc/40.5 = -13.6*3^2*(1/n^2 - 1/m^2)

hc/lamda = -13.6*4^2*(1/n^2 - 1/m^2)

lamda/40.5 = 9/16

lamda = 22.8 nm

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