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10-1.Thermometry, Thermal Expansion and Calorimetry
medium
A substance is cooled at a constant power. Its temperature vs time graph is shown. The value of $S_{solid} : S_{liquid} : S_{gas}$
A
$2 : 3 : 3$
B
$3 : 6 : 2$
C
$2 : 6 : 3$
D
$1 : 3 : 2$
Solution
$\frac{1}{\mathrm{mS}_{\mathrm{gas}}}=\frac{30}{10}=3$
$\frac{1}{\mathrm{mS}_{\mathrm{liquid}}}=\frac{20}{20}=1$
$\frac{1}{\mathrm{mS}_{\text {solid }}}=\frac{40}{20}=2$
$\frac{1}{3 m}: \frac{1}{m}: \frac{1}{2 m}$
$2: 6: 3$
Standard 11
Physics
