JEE Main 27 July 2021 Shift 2 Solved Paper
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Question : 29 of 90
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The K α X-ray of molybdenum has wavelength0.071 n m . If the energy of a molybdenum atoms with a K electron knocked out is 27.5 k e V , the energy of this atom when an L electron is knocked out will be ______ k e V . (Round off to the nearest integer)
[ h = 4.14 × 10 − 15 e V s , c = 3 × 10 8 m s − 1 ]
[27 Jul 2021 Shift 2]
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