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The ratio of deBroglie wavelegth of a pr...

The ratio of deBroglie wavelegth of a proton and an a-particle accelerated through the same potential difference is-

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Use Davisson and Germer’s modification `(lamda_(alpha))/(lamda_(p)) = sqrt(((e_(p) m_(p)))/((e_(alpha) m_(alpha)))) = sqrt((1 xx 1)/((2 xx4))) = (1)/(2 sqrt2)` as potential difference is same
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