The work function of an element is 32 ev photons of a


The work function of an element is 3.2 eV. Photons of a certain energy are found to eject electrons with a kinetic energy of 2 eV.

(a) What is the speed of the ejected electrons?

(b) What is the photon frequency?

(c) If the photon energy is increased by a factor of two, what is the kinetic energy of the ejected electrons?

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Physics: The work function of an element is 32 ev photons of a
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