Question

uestIONIS
1. Why does a desert cooler.com
better on a hot dry day?
2. How does the water kept in an
earthen pot (matka) become cool
during summer?
3. Why does our palm feel cold
when we put some acetone or
petrol or perfume on it?
4. Why are we able to sip hot tea or
milk faster from a saucer rather
than a cup?
5. What type of clothes should we
wear in summer?​

Answer 1

i think of 2nd is due to prespiration

Answer 2

1. desert cooler is better on a hot dry day because desert cooler take hot air air and when the water falls from the dry grasses it condense hair particles by which real particle get cool and that cool air air has been soon from a fan
2. the water kept in an earthen pot become cool during summer because earthern pot have small porcess by which it take cool air from the surrounding of earth pot and releases hot air inside the earth pot and this process cool the water kept in earthen pot

4. we able to SIP hot tea and milk fastly from the saucer plate rather than a cup because saucer plate have more surface area comparison to cup in which the tea and milk particle get fastly get cool

5. in summer we have to to wear cotton clothes because cotton clothes can suck the sweat by which we feel cool and we ee have to wear white colour cotton cloth because white colour reflective light