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Use the Bohr model to find the second longest wavelength of light in the Paschen series for a doubly-ionized Li atom (2-3). R
Light with a wavelength of 145 nm is shined on to the surface of platinum metal. What is the maximum speed of the ejected pho
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In Paschen series for 2nd longest wave length election jump from 5th orbit to 3rd orbit using Redbey equation t = R ( 1 2 2 2be - po d We know using Einstein photo electic equation Po= - 6.35ev (KE)max - po d= 145mm 6-6X163483X108 - 6.3581.681019 145

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