The Diagram Shows the Graphs of the Stopping Potential as a Function

question 23

Multiple Choice

The diagram shows the graphs of the stopping potential as a function of the frequency of the incident light for photoelectric experiments performed on three different materials.Rank the materials according to the values of their work functions, from least to greatest.

• A)1, 2, 3
• B)3, 2, 1
• C)2, 3, 1
• D)2, 1, 3
• E)1, 3, 2

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