What is the kinetic energy of a beam of electrons

Reference no: EM1382670

Q. An image of a biological sample is to have a resolution of 5 nm. (i) What is the kinetic energy of a beam of electrons with a de Broglie wavelength of 5.0nm? (ii) Through what potential difference must the electrons be accelerated to have this wavelength? (iii) Why not just use a light microscope with a wavelength of 5nm to image the sample?

Reference no: EM1382670

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