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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.

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.

 

Answers (1)

Ice and water can coexist at 0°C which is melting point of ice. As stated in the question, initially the container has ice as well as water, therefore the initial temperature has to be 0°C.

When we start giving heat to this mixture, the temperature will remain constant, because ice will melt by using the given heat.

When the complete ice will melt and container will have only water at 0°C, The heat given will lead to increase in temperature.

If we assume that heat given has a constant rate, then after that temperature increases linearly.

Hence the correct answer is option D. 

Posted by

Gurleen Kaur

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