The terms hot and cold are used in relative context. Explain.

Explanation

(1) Take three large bowls,P,Q and R. Fill bowl P with cold water, bowl Qwith lukewarm water, and bowl R with hot water. (2) Immerse your right hand in bowl P, and left hand in bowl R for about five second,
(3) Now,immerse both the hands in bowl Q at the same time. (4) You will find that the water in bowl Q appears warm to your right hand, and cold to your left hand. Thus , the hand immersed in cold water for some time finds the lukewarm water hot while the one immersed in hot water finds the same lukewarm water cold.This experiment shows that the terms hot and cold are relative.