An electron and alpha particle have the same kinetic energy. How are the De broglie wavelength associated with them related ?

Debroglie wavelength:λ=hp  =h2mEkHere,h is Planck's constant,m is mass,andEk is kinetic energyFor a given kinetic energy,λ α 1mλelectronλalpha=malphamelectron              =2melectronmelectron   [ since malpha = 2 × melectron ]              =2Hence,λelectron=2λalpha

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compare the mass ..
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mass of alpha particle is twice of electron
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