Question

10.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.

Answer 1

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