he ratio of the 'e/m' (specific charge) values of an electron and an α−particle is -
Question
Solution 1
The specific charge (e/m) of a particle is calculated by dividing its charge (e) by its mass (m).
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For an electron, the charge (e) is -1.6 x 10^-19 C and the mass (m) is 9.1 x 10^-31 kg. So, the specific charge of an electron is (-1.6 x 10^-19) / (9.1 x 10^-31) = -1.76 x 10^11 C/kg.
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