The ionization energy of sodium in . If electromagnetic radiation of wavelength 242 nm is just sufficient to ionize sodium atom is ______.
Answer: 494
Solution
Energy of the photon: per atom.
Converting to (, and multiplying by Avogadro's number):
Converting to (, and multiplying by Avogadro's number):
JEE Main · 2024 · 31 Jan 2024 · Shift 1 · Integer answer