An electron, a doubly ionized helium ion \( \left(\mathrm{He}^{++}\right) \) and a proton are ha...
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0An electron, a doubly ionized helium ion \( \left(\mathrm{He}^{++}\right) \) and a proton are having the same kinetic energy.
\( \mathrm{P} \)
The relation between their respective de-Broglie
W
wavelengths \( \lambda_{\mathrm{e}}, \lambda_{\mathrm{He}}{ }^{++} \)and \( \lambda_{P} \) is
(1) \( \lambda_{\mathrm{e}}\lambda_{\mathrm{P}}\lambda_{\mathrm{He}^{++}} \)
(2) \( \lambda_{\mathrm{e}}\lambda_{\mathrm{He}^{++}}=\lambda_{\mathrm{P}} \)
(3) \( \lambda_{\mathrm{e}}\lambda_{\mathrm{He}^{++}}\lambda_{\mathrm{P}} \)
(4) \( \lambda_{\mathrm{e}}\lambda_{\mathrm{p}}\lambda_{\mathrm{He}^{++}} \)
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