The Work Functions for Two Different Metals a and B,are

question 132

Multiple Choice

The work functions for two different metals A and B,are 3.23 eV and 5.33 eV,respectively.If photons of 220 nm are incident on the two metals,calculate the difference in energy of the fastest photoelectrons from metal A and metal B.

• A)0.69 eV
• B)0.0 eV
• C)2.10 eV
• D)1.72 eV
• E)2.41 eV