A Beam of Light with a Frequency Range from 3

question 23

Multiple Choice

A beam of light with a frequency range from 3.01 × 10¹⁴ Hz to 6.10 × 10¹⁴ Hz is incident on a metal surface.If the work function of the metal surface is 2.20 eV,what is the maximum kinetic energy of photoelectrons ejected from this surface? (h = 6.626 × 10^-34 J ∙ s,1 eV = 1.60 × 10^-19 J)

• A)0.33 eV
• B)0.21 eV
• C)0.42 eV
• D)0.16 eV
• E)0.48 eV

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