12.4cm
13.7cm
18.5cm
37.0cm
Correct answer is A
\(\frac{V_1}{T_1}\) = \(\frac{V_2}{T_2}\)
\(\frac{10\times A}{27 + 273}\) = \(\frac{L\times A}{100 + 273}\)
L = 12.43cm
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