A wooden spoon is dipped in a cup of ice cream. Its other end:
becomes cold by the process of conduction
becomes cold by the process of convection
becomes cold by the process of radiation
does not become cold
More energetic molecules of a body transfer some of their energy to other molecules, without any change in their position is:
Conduction
Convection
radiation
None of these
Convection of heat takes place in:
Metals only
liquids only
gases only
liquids and gases
Of these which is a good conductor of heat?
Water
Milk
Mercury
Alcohol