Question

a beggar wrapped himself with a few layers of newspapers on a cold winter night . this helped him to keep himself warm becaue<br /><br />
1.friction between the layers of newspapers produces heat<br /><br />
2.air trapped between the layers of the newspapers is a bad conductor of heat.<br /><br />
3.newspaper is a conductor of heat<br /><br />
4.newspaper is at a higher temperature than the temperature of the surroundings<br /><br />
please ans my question among these 4 options.please

Answer 1

The correct answer should be

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

because more air is trapped in the multiple layers than one layer and as air is an insulator or a bad conductor of heat it keeps him warm

Answer 2

hii mate your answer is the option no (2) air trapped between the layers of the newspaper because it is a bad conductor of heat and in simple words newspaper is a insulater hope it helps you