A cooling curve is plotted between the temperature of a hot body and time Which...

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A cooling curve is plotted between the temperature of a hot body and time Which of the following is not true for the cooling curve 1 Cooling is faster from a calorimeter having a larger surface area than a smaller one 2 Cooling is faster from a calorimeter painted black from outside than that from a polished surfaced calorimeter 3 Cooling is faster from a copper calorimeter than from a steel calorimeter 4 The rate of cooling remains same throughout the experiment Hence the graph is a straight line The escape velocity of a body on the surface of the earth is 11 2 kms If the earth s mass

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