AP EAMCET Engineering 18 Sep 2020 Shift 1 Paper

Section: Physics
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Question : 101 of 160
 
Marks: +1, -0
A hydrogen like atom has one electron revolving round a stationary nucleus. If the energy required to excite the electron from the 2nd orbit to 3rd orbit is 47.2 eV, find the atomic number of the given atom
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