If a drop of water falls on a hot plate it takes long time to evaporate.  Why?

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

The vapour formed at the instant of landing of the drop acts as an insulator and prevents the heat being passed on to the water above.  So it takes time to evaporate.

Answered by  | 4th Jun, 2014, 03:23: PM