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What energy of light's photon gives a maximum kinetic energy of 1.62 eV to the photoelectrons ejected from a gold surface?(given: The work function for gold is 4.58 eV)

What energy of light's photon gives a maximum kinetic energy of 1.62 eV to the photoelectrons ejected from a gold surface?(given: The work function for gold is 4.58 eV)
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What energy of light's photon gives a maximum kinetic energy of 1.62 eV to the photoelectrons ejected from a gold surface?(given: The work function for gold is 4.58 eV)

User Teppic
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Calculate the maximum kinetic energy of an electron ejected from silver by a 3.13•1015Hz photon. KEmax= hf - φ. KEmax= 4.14•10-15eVs • 3.13•1015Hz – 4.73eV.
User Bennie
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