To keep her soup warm Paheli wrapped the container in which it was kept with a woollen cloth. Can she apply the same method to keep a glass of cold drink cool? Give reason for your answer.

AcademicPhysicsNCERTClass 7

As we know that wool is a bad conductor of heat. So it does not let the heat pass through. So, by wrapping the container with a woolen cloth Paheli kept her soup warm. 

Similarly, she can apply the same method for keeping a glass of cold drink cool.

Updated on 10-Oct-2022 13:29:45