An electron microscope operates with electrons of kinetic
An electron microscope operates with electrons of kinetic energy 40keV. What is the wavelength of these electrons? (h= 6.626 x 10^-34 J/s, 1eV= 1.6 x 10^-19 J, and me= 9.1 x 10^-31kg)
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an electron microscope operates with electrons of kinetic energy 40kev what is the wavelength of these electrons h 6626
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