GUJCET 2022 Physics Solved Paper
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A difference of 5.4 eV separates two energy levels in an atom. What is the frequency of radiation emitted when the atom make a transition from the upper level to the lower level?
[ 1 eV = 1.6 × 10 − 19 J , h = 6.625 × 10 − 34 J . s . ]
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