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  • The work function of caesium metal is 2.14 eV. When light of frequency 6 * 10^14 Hz is incident on the metal surface, photoemission of electrons occurs. What is the (b) Stopping potential

Q: 11.2 (b) The work function of caesium metal is 2.14\hspace{1mm}eV When light of frequency 6\times 10^1^4\hspace{1mm}Hz  is incident on the metal surface, photoemission of electrons occurs. What is the stopping potential

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The stopping potential depends on the maximum Kinetic Energy of the emitted electrons. Since maximum Kinetic energy is equal to 0.34 eV, stopping potential is the maximum kinetic energy by charge equal to 0.34 V.

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