Question

TASK-II
Does the evaporation depend on surface area and wind speed?
Instructions: Take clothes made from different fibres say (cotton and synthetic). Wet them and place them
for drying, first by spreading the clothes (cotton and synthetic) in the room with fan on and
note down the time of drying of both the cloths. Again wet them (cloths of both fibres) and
now place it for drying without spreading them. Note the time of drying the clothes with
both fan on and off mode. Record the time for each case and write it in the observation table
provided below. Also answer the question on the basis of this activity.
Observation Table:
S no.
Clothes
Time taken for drying
with fan on(in
min/hours)
Time taken for drying without
fan or fan off(in min/hours)
1.
By spreading cotton
cloth
Without spreading
cotton cloth
2.
3.
By spreading
synthetic cloth
Without spreading
synthetic cloth
4.without spreading synthetic cloth ​

Answer 1

Answer:

1.)by spreading cotton cloths will dry soon

2.)Without spreading  cotton cloth take time to dry

3.)dry soon

4.) take time to dry