The stopping potential V for photoelectric emission from a metal surface is plotted along…

Physics · JEE Advanced · NTA ExamsAtoms and Nuclei

The stopping potential V for photoelectric emission from a metal surface is plotted along Y-axis and frequency ν of incident light along X-axis. A straight line is obtained as shown. Planck’s constant is given by
  1. Slope of the line
  2. Product of slope on the line and charge on the electron
  3. Product of intercept along Y-axis and mass of the electron
  4. Product of Slope and mass of electron

Answer

(B) Product of slope on the line and charge on the electron

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