JEE Main 27 July 2021 Shift 2 Solved Paper

Section: Physics
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Question : 29 of 90
 
Marks: +1, -0
The Kα X-ray of molybdenum has wavelength0.071nm. If the energy of a molybdenum atoms with a K electron knocked out is 27.5keV, the energy of this atom when an L electron is knocked out will be ______ keV. (Round off to the nearest integer)
[h=4.14×10−15eVs,c=3×108ms−1]
[27 Jul 2021 Shift 2]
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