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A student heats a beaker containing ice and water. He measures the temperature of the content of the beaker as a function of time. Which of the following (Fig. 1.1) would correctly represent the result? Justify your choice.

Correct Answer: (d)
Explanation: Since ice and water are in equilibrium, the temperature would be zero. When we heat the mixture, energy supplied is utilized in melting the ice and the temperature does not change till all the ice melts because of the latent heat of fusion. On further heating, the temperature of the water would increase.

Updated on: 10-Oct-2022


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