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16. assignment (De Broglie wavelength)

The distance between atoms in a solid is usually around 2.0*10^-10 m. Because this is much smaller than the wavelength of visible light, visible light cannot be used to study the structure of solids. X-rays and electrons are commonly used.

What is the wavelength of an electron with a kinetic energy of 130 eV? Mass of electron: 9.11*10^-31 kg

What is the energy of a photon with the same wavelength of the electron of the above problem?

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