Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • NCERT
  • A beggar wrapped himself with a few layers of newspaper on a cold winter night. This helped him to keep himself warm because (a) friction between the layers of newspaper produces heat.

A beggar wrapped himself with a few layers of newspaper on a cold winter night. This helped him to keep himself warm because

(a)     friction between the layers of newspaper produces heat.

(b)     air trapped between the layers of newspaper is a bad conductor of heat.

(c)     newspaper is a conductor of heat.

(d)     newspaper is at a higher temperature than the temperature of the surrounding.

Answers (1)

best_answer

The heat from his body would not escape into surroundings this will help him to keep his body warm as the air trapped between the layers of newspaper is a bad conductor of heat.

Hence option (B) is correct. 

Posted by

Sumit Saini

View full answer

Similar Questions

Latest Question