A solid body A of mass m and specific heat capacity �s� has temperature `T_(1) = 400 K`.
Channel: Doubtnut
Date: 17/02/2020

A solid body A of mass m and specific heat capacity �s� has temperature `T_(1) = 400 K`. It is placed, at time `t = 0`, in atmosphere having temperature `T_(0) = 300 K`. It cools, following Newton�s law of cooling and its temperature was found to be `T_(2) = 350 K `at time `t_(0)`. At time `t_(0)`, the body A is connected to a large water bath maintained at atmospheric temperature `T_(0)`, using a conducting rod of length L, cross section A and thermal conductivity k. The cross sectional area A of the connecting rod is small compared to the overall surface area of body A. Find the temperature of A at time `t = 2t_(0)`.