Lesson Flashcards: The Kinetic Energy of Photoelectrons Physics • 10th Grade

The Planck constant

A physical constant that relates the energy of a photon to its frequency and wavelength

A photoelectron

An electron emitted from the surface of a material due to by the absorption of a photon

A photon

A particle of light

Work function

The minimum energy needed to eject an electron from the surface of a material

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