Question
Question: A ball A has twice the diameter as another ball B of the same material and with same surface finish....
A ball A has twice the diameter as another ball B of the same material and with same surface finish. A and B are both heated to the same temperature and allowed to cool radiatively; then :
A
Rate of cooling of A is same as that of B
B
Rate of cooling of A is twice that of B
C
Rate of cooling of A is half that of B
D
Rate of cooling of A is four times that of B
Answer
Rate of cooling of A is half that of B
Explanation
Solution
Do yourself.