Question 12. Why is it so that if you wear two thin sweaters, you will feel warmer as compared to a single thick sweater?

Q. It is warmer to have two thin blankets than to have single thick blanket because:

Q. In a certain group of 36 people, 18 are wearing hats and 24 are wearing sweaters. If six people are wearing neither a hat nor a sweater, then how many people are wearing both a hat and a sweater ?

Q. You _____ take at least one sweater.

Q. Two thin blankets piled together are warmer than a single one of the same total thickness as the two because

Q. (a) If you have to choose between two thin blankets and a thick blanket on a cold winter night, which one will you choose?

(b) Stainless steel pans are usually provided with copper bottoms. Why?

(c) You may have noticed that a few sharp jerks are given to a clinical thermometer before using it. Why is it done so?