The Graph Shows the Kinetic Energy of Photoelectrons Ejected from a Certain

question 134

Multiple Choice

The graph shows the kinetic energy of photoelectrons ejected from a certain metal as a function of the light incident upon the metal. The work function of this metal is

• A) 33* 10^-20 J
• B) 20 *10^-20 J
• C) 10 * 10^-20 J
• D) 5 * 10^-20 J
• E) None of these is correct.

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