JEE Main 2021 Physics question

PhysicsAtomsJEE Main 2021

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 bekeV. (Round off to the nearest integer) [h = eVs, c = ]

Answer: 10

Solution

Question ID VK-022928