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What are (a) the energy of a photon corr...

What are (a) the energy of a photon corresponding to wavelength 1.00 nm, (b) the kinetic energy of an electron with de Broglie wavelength 1.00 nm, (c) the energy of a photon corresponding to wavelength 1.00 fm, and (d) the kinetic energy of an electron with de Broglie wavelength 1.00 fm?

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(a) 1.24 keV, (b) 1.50 eV, (c) 1.24 GeV, (d) 1.24 GeV
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