Guest

a solid sphere of radius R and a hollow sphere of inner radius r and outer R are heated to same temperature then rate of cooling is higher for hollow sph. explain.

a solid sphere of radius R and a hollow sphere of inner radius r and outer R are heated to same temperature then rate of cooling is higher for hollow sph. explain.

Grade:12

1 Answers

Khimraj
3007 Points
5 years ago
Rate of cooling is directly proportional to surface area and inversely proportional to mass so bath have same surface area but hollow sphere has less mass as it`s volume is lesser than solid sphere. So hollow sphere has higher rate of cooling

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free