how to do?
Source: psle specimen paper
how to do?
Source: psle specimen paper
Q1: water evaporation and condensation
Q2: bowl have more water due to larger surface area
(A) water is collected due to evaporation of water followed by condensation of water on the underside of the plastic sheet and hence dropping down into the cup. (B) With a bigger bowl, the surface area of exposure of the sea water is much reduced and hence less water evaporates and collected.