\(\because \lambda=\frac{\mathrm{h}}{\mathrm{p}}\)
\(\therefore \mathrm{p}_{\text {proton }}=\mathrm{p}_{\text {electron }}\)
\(\because \mathrm{KE}=\frac{\mathrm{p}^2}{2 \mathrm{~m}}\)
\(\therefore \mathrm{KE}_{\text {proton }}<\mathrm{KE}_{\text {electron }}\)
\({\left[\mathrm{K}_{\mathrm{p}}<\mathrm{K}_{\mathrm{e}}\right]}\)