Question 20 A glass tumbler containing hot water is kept in the freezer compartment of refrigerator (temperature < 0∘C). If you could measure the temperature of the content of the tumbler, which of the following graphs (Fig.1.2) would correctly represent the change in its temperature as a function of time.
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(a) The water will cool initially till it reaches 0°C, the freezing point. At this stage, the temperature will remain constant till all the water will freeze. After this temperature would fall again.