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Q. The ratio of specific charge of an electron to that of a proton is

Structure of Atom

Solution:

$\frac{e}{m}$ electron : $\frac{e}{m}$ proton
Both $e^{-} \alpha$ protons have same charge
Mass $e^{-}$ is $\frac{1^{th}}{1837}$ the mass of protons
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