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A sample of hydrogen atoms is in excited state(all the atoms).The photons emitted from this sample are made to pass through a filter through which light having wavelength greater than 800nm can only pass.Only one type of photons are found to pass the filter. The sample's excited state initially[hc=1240ev-nm,Ground state energy of hdrogen atom=-13.6 ev]


a)5th excited state


b)4th excited state


c)3rd excited state


d)2nd excited state


PLEASE SHOW HOW YOU SOLVED IT.


 

Kevin Nash , 11 Years ago
Grade upto college level
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