Electrons Are Emitted from a Certain Metal with a Maximum

question 27

Multiple Choice

Electrons are emitted from a certain metal with a maximum kinetic energy of 2 eV when 6-eV photons are incident on its surface. If photons of twice the wavelength are incident on this metal which one of the following statements is true?

• A)No electrons will be emitted.
• B)Electrons will be emitted with a maximum kinetic energy of 3 eV.
• C)Electrons will be emitted with a maximum kinetic energy of 6 eV.
• D)Electrons will be emitted with a maximum kinetic energy of 9 eV.
• E)Electrons will be emitted with a maximum kinetic energy of 12 eV.

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