Question

(C) Earthen walls have poresans water gets evaporated through pores and evaporation takes
MERIDIAN SC
vadhapur
Date:
HOME WORK
L-O FLOW OF HEAT
Section:
INTERNATIONAL
Name:
HOTS (Write in note book)
QI: Ravi kept water in two pans out in mid-day sunlight for an hour. One pan was painted black
and the other painted white on its outer surface. After one hour it was tested that the
temperature of water in both the pans were different. State the reason. Why?
Q2: A cold steel spoon is dipped into a cup of hot coffee, it will transfer heat to its other end or
not? If yes, then by which process?
Q3: To keep her soup warm, Priyawrapped the container in which it was kept with a woollen
clothes. Can she apply the same method to keep a glass of cold drink cool? Give reason for
your answer.
Q4: Why does the water get cooled in earthen pot and not in a metal or glass pot.
(a) Earthen walls are bad conductors so heat does not affect the water
(b) Earthen walls of the pot absorb heat of water.
heat from water.
(d) None of the above.​

Answer 1

Answer:

can't understand plz rewrite again

Answer 2

Answer:

1 ans black side water is hot because black colur abrob sun heat

2ans yes because heat transfer from high altitude to low altitude

4ans is b option