Upon Being Struck by 240 Nm Photons,a Material Ejects Electrons

question 42

Multiple Choice

Upon being struck by 240 nm photons,a material ejects electrons with a maximum kinetic energy of 2.58 eV.What is the work function of this material?

• A)2.60 eV
• B)2.18 eV
• C)3.02 eV
• D)3.43 eV

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