Explain how,the water in a beaker gets heated when a burner is kept below it.Draw a labelled diagram to illusrate your answer.

Dear student,
When a burner is kept below a beaker, Due to radiation of heat the water just Above the Bottom surface of the beaker gets heated and goes up.Water from the sides comes and takes the Place of that water and gets heated, this water also goes up.... This process continues until the whole water is heated,

Regards