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A nonrelativistic electron has a kinetic energy of 5.4 eV.What is the energy of a photon whose wavelength is the same as the de Broglie wavelength of the electron? (mel = 9.11 × 10-31 kg,
C = 3.00 × 108 m/s,1 eV = 1.60 × 10-19 J)
Pounds
A unit of weight commonly used in the United States, equivalent to 16 ounces.
Gold
A precious metal with a yellow color, used in jewelry, electronics, and as an investment commodity.
Silver
A precious metal with high electrical conductivity and thermal conductivity, widely used in jewelry, currency, and various industrial applications.
Ounces
A unit of weight in the avoirdupois system, equivalent to 1/16th of a pound or approximately 28.349 grams.
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