Question 20
A glass tumbler containing hot water is kept in the freezer compartment of refrigerator (temperature < $0^{\circ}$ 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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Solution

(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.

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Q. A glass tumbler containing hot water is kept in the freezer compartment of a refrigerator (temperature <

0^{\circ}

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A glass tumbler containing hot water is kept in the freezer compartment of a refrigerator whose temperature is maintained at < 0 degree celcius. If you could measure the temperature of the content of the tumbler , which of the following graphs below correctly represents the change in its temperature as a function of its time?

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