What is the maximum speed of an electron

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A.) An electron with kinetic energy of 19.6 eV bombards atom X. After the collision, this electron has 17.2 eV. What is one wavelength of light that would be emitted by an excited gaseous X atom?

B.) A photoelectric surface is illuminated with monochromatic light with a wavelength of 6.25 x 102 nm. What is the maximum speed of an electron ejected from this surface if the surface has a work function of 1.40 eV?

Reference no: EM132535762

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