JEE Main & Advanced
Physics
Thermometry, Calorimetry & Thermal Expansion
Question Bank
Numerical Value Type Questions - Thermal Properties of Matter
question_answer
A heat source at \[T={{10}^{3}}K\] is connected to another heat reservoir at \[T={{10}^{2}}K\] by a copper slab which is 1 m thick. Given that the thermal conductivity of copper is \[0.1W{{K}^{-1}}{{m}^{-1}}\] , the energy flux (in \[W/{{m}^{2}}\]) through it in the steady state is: