For intensity I of a light of wavelength 5000Å the photoelectron saturation current is…

Physics · JEE Advanced · NTA ExamsAtoms and Nuclei

For intensity I of a light of wavelength 5000Å the photoelectron saturation current is 0.40 µA and stopping potential is 1.36 V, the work function of metal is
  1. 2.47 eV
  2. 1.36 eV
  3. 1.10 eV
  4. 0.43 eV

Answer

(C) 1.10 eV

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