An iron rod is heated with one of its end and heat transmitted to other end

Cold water goes to the bottom from top while on heating the water

On heating gases, heat transmitted to surroundings

The heat from sun travels through the space

Linear expansion

Superficial expansion

Cubical expansion

Area expansion

Co-efficient of friction

Co-efficient of linear expansion

Co-efficient of superficial expansion

Co-efficient of cubical expansion

Number / Degree C

Number / Degree C / meter length

Number / Degree C / mm length

Number / Degree C / cm length

Co-efficient of friction

Co-efficient of linear expansion

Co-efficient of superficial expansion

Co-efficient of cubical expansion