Question

if an electron and proton have the same De-broglie wave length‚ which particle has greater speed?​

Answer 1

Electron because it has less mass while proton has more mass so it will have less speed so that the wavelength remains constant
h/m1v1 =h/m2v2

Answer 2

$HERE \: IS\: YOUR \: ANSWER$

According to me electron would have greater speed because electron's mass is very very less than mass of proton.

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