Atomic StructureEasy
Question
The ratio of de Broglie wavelength of electron and proton moving with the same speed is about
Options
A.1836: 1
B.1: 1836
C.1: 1
D.1: 2
Solution
$\lambda = \frac{h}{mv} \Rightarrow \frac{\lambda_{e}}{\lambda_{p}} = \frac{m_{p}}{m_{e}} = \frac{1836}{1}$
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