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AP Physics 2/Unit 15 – Modern Physics
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Photoelectric Effect and Kinetic Energy

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Light with a wavelength of 300 nm is incident on a metal surface that has a work function of 2.0 eV. Which of the following statements correctly describes the photoelectric effect in this scenario?

A

The stopping potential would be 2.0 V

B

No electrons will be ejected as the photon energy is less than the work function

C

The threshold frequency equals 300 nm

D

Electrons will be ejected with a maximum kinetic energy of 2.1 eV

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