rfrancois6821 rfrancois6821
  • 22-11-2022
  • Physics
contestada

Light with some unknown wavelength is incident on a piece of copper. The most energetic electrons emitted from the copper have 2. 7 ev of kinetic energy. If the copper is replaced with a piece of sodium, what will be the maximum possible kinetic energy k of the electrons emitted from this new surface?.

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