Question:
The ratio of $\left(\frac{\text{charge}}{\text{mass}}\right)$ of a proton to that of an $\alpha$ particle is
The ratio of $\left(\frac{\text{charge}}{\text{mass}}\right)$ of a proton to that of an $\alpha$ particle is
Updated On: Aug 1, 2022
- $1:2$
- $2:1$
- $4:1$
- $1:4$
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The Correct Option is B
Solution and Explanation
$\frac{\left(q/ m\right)_{proton}}{\left(q /m\right)_{\alpha}}=\frac{q_{proton}}{q_{\alpha}}\times\frac{m_{\alpha}}{m_{proton}}$
$=\frac{1}{2}\times\frac{4}{1}$
$=2 : 1$
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