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10-1.Thermometry, Thermal Expansion and Calorimetry
normal
A block of ice at $-10\,^oC$ is slowly heated and converted to steam at $100\,^oC.$ Which of the following curves represent the phenomenon qualitatively ?
A

B

C

D

Solution
Temperaure first increases from $-10\,^oC$ to $0\,^oC$. Then remains constant at $0\,^oC$ till whole ice is melted. Then it increases from $0\,^oC$ to $100\,^oC$. Again it remains constant at $100\,^oC$ till whole water converts into steam.
Standard 11
Physics