A glass tumbler containing hot water is kept in the freezer compartment of a refrigerator (temperature <00C). If you could measure the temperature of the content of the tumbler, which of the following graphs would correctly represent the change in its temperature as a function of time?

(a). The water will cool initially till it reaches 00C, the freezing point. At this stage, the temperature will remain constant till all the water will freeze. After this, temperature would fall again.

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