Transfer of Heat – Numerical Problems

Numerical Problems     9.1.     The concrete roof of a house of thickness 20 cm has an area 200 m2. The temperature inside the house is 15 °C and outside is 35°C. Find the rate at which thermal energy will be conducted through the roof. The value of k for...

Transfer of Heat – Exercise

Short Questions     9.2 Why metals are good conductors of heat? Metals are good conductors of heat because of the valence electrons freedom of motion within a metal. The free-moving electrons transmit heat quickly.       9.3 Explains why? a) A...

Transfer of Heat – Notes

Notes     Q1.     List three names by which heat can be transfer from one to place to another place? Ans:    Thermal energy from a hot body flows to a cold body in the form of heat. This is called a transfer of heat. There are three ways by which transfer of...