Maria is mopping the floor as shown in the
figure. A thin layer of water forms on the
surface of the floor as a result of mopping.
Based on the given activity choose the
correct statement(s) among the following:
I. The thin layer of water will gain heat
from the hotter surroundings and
evaporate in the form of water vapour.
II. The wet floor will become dry when
all the water escapes into the air as
water vapours.
III. The rate of evaporation will be higher
in presence of wind when the fan is
turned on.
A I only
B II only
C II and III only
D I, II and III
Correct answer is (D). I,II and III