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Calculate the de- broglie wavelength of electons
mass = 9.18 *10^-31 Kg moving
at 1% speed of light (h = 6.63 x 10^-34Js)
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Wavelength of electron (λ)=hmυ=(6.626×10-34kgm2s-1)(9.1×10-31kg)×(3×106ms-1)=2.43x10-10m.
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