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A solid body X of heat capacity C is kept in an atmosphere whose temperature is .At t=0 temperature of X is .It cools according to Newton's Law of cooling.At time its temperature is found to be 350 K .At this time,the body X is connected to a large box Y at atmospheric temperature through a conducting rod of length L, cross sectional area A and thermal conductivity K.The heat capacity of Y is so large that any vibration in its temperature rod is small compared to the surface area of X.Find temperature of X at time Ans:


A solid body X of heat capacity C is kept in an atmosphere whose temperature is .At  t=0 temperature of X is .It cools according to Newton's Law of cooling.At time its temperature is found to be 350 K .At this time,the body X  is  connected to a large box Y at atmospheric temperature through a conducting rod of length L, cross sectional area A and thermal conductivity K.The heat capacity of Y is so large that any vibration in its temperature rod is small compared to the surface area of X.Find temperature of X at time 


 


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