JAMB - Physics (2001 - No. 8)
Ice cubes are added to a glass of warm water. The glass and water are cooled by
conduction only
convection only
conduction and convection
convection and radiation
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heat is transferred from the water to the ice/glass through direct contact(conduction) additionally, there is some convective heat transfer within the water as warmer water rises and cooler water sinks.