JEE Main 202127 Jul, Evening shiftPhysicsMediumAtoms and Nuclei183× since 2002
The K_ X-ray of molybdenum has wavelength 0.071 nm. If the energy of a molybdenum atoms with a K electron knocked out is 27.5 keV, the energy of this atom when an L electron is knocked out will be __________ keV. (Round off to the nearest integer)
[h = 4.14 10^15 eVs, c = 3 10⁸ ms^1]