An electron at rest is accelerated through a potential difference of 200 V. If the specific charge o β Atomic Structure Chemistry Question
Question
An electron at rest is accelerated through a potential difference of 200 V. If the specific charge of electron is 1.76 Γ 10^11 C/kg, the speed acquired by the electron is about
Answer: B
π‘ Solution & Explanation
v = β(2 Γ (e/m) Γ V) = β(2 Γ 1.76 Γ 10^11 Γ 200) = β(7.04 Γ 10^13) β 8.4 Γ 10^6 m/s.
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