4. (a) An electron has kinetic energy 2 eV. Find its wavelength. (b) A photon has energy 2 eV. Find its wavelength. (h =
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4. (a) An electron has kinetic energy 2 eV. Find its wavelength. (b) A photon has energy 2 eV. Find its wavelength. (h =
4. (a) An electron has kinetic energy 2 eV. Find its wavelength. (b) A photon has energy 2 eV. Find its wavelength. (h = 6.626x10-34).s, c = 3x108 m/s, me=9.11x10-31 kg) (CLO1) (25 points)
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