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خطا

$\frac{{{\sigma }_{2}}}{{{\sigma }_{1}}}=\frac{2}{3},\frac{{{r}_{2}}}{{{r}_{1}}}=\frac{3}{2}\Rightarrow \frac{{{\sigma }_{2}}}{{{\sigma }_{1}}}=\frac{\frac{{{Q}_{2}}}{4\pi r_{2}^{2}}}{\frac{{{Q}_{1}}}{4\pi r_{1}^{2}}}=\frac{{{Q}_{2}}}{{{Q}_{1}}}\times {{(\frac{{{r}_{1}}}{{{r}_{2}}})}^{2}}\Rightarrow \frac{2}{3}=\frac{{{Q}_{2}}}{{{Q}_{1}}}\times {{(\frac{2}{3})}^{2}}\Rightarrow \frac{{{Q}_{2}}}{{{Q}_{1}}}=\frac{3}{2}$