Solve this: Q. Derive an expression for the de-Broglie wavelength associated with an electron accelerated through a potential V. Draw a schematic diagram of a localised wave describing the wave nature of the moving electron. Foreign 2009 Share with your friends Share 1 Vijay Shankar Yadav answered this Dear Student, We have λ=hp----1and p=2mE=2meV---2 (here E=eV , V →potential difference)put it in 1 we getλ=h2meV Regards 8 View Full Answer