Explain what is meant by the statement, thermal conductivity of iron 0.2 C G S unit.

What is meant by unit ?

What is meant by buna-s ?

What is the unit of thermal conductance ?

On what facters does the thermal conductivity of a metal depend ?

What is the meant by the statement, 'Latent heat of fusion of ice is 80cal/gm ?

State the unit of co- efficient of thermal conductivity in C.G.S system.

Give the units of thermal conductivity in different systems ?

What is meant by the term broad spectrum antibiotics? Explain.

A glass window pane 1 m by 1 m is 25 mm thick. If the show outside maintains the outer surface at 0^@ C and the heat of the room maintains the inner surface at 6^@ C ,Thermal conductivity of glass in S.I unit is 0.2, how much heat will be conducted through the glass in 1 day ?