Find the de Broglie wavelength of 2 MeV proton. Mass of proton =1.64×10−27kg,h=6.625×10−34Js

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Find the de Broglie wavelength of 2 MeV proton. Mass of proton =1.64×10−27kg=1.64×10-27kg,h=6.625×10−34Js