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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 15 - Properties of Matter > Light from a discharge tube containing hydrogen atoms falls on the surface of a piece of sodium. The kinetic energy of the fastest photo electrons emitted from from sodium is 0.73eV . The work function for sodium is 1.82eCV

Light from a discharge tube containing hydrogen atoms falls on the surface of a piece of sodium. The kinetic energy of the fastest photo electrons emitted from from sodium is 0.73eV . The work function for sodium is 1.82eCV

electron makes transition from n=4 to n=1 level. Recoil momentum of the H atom will be In hydrogen atom