Guest

A solid sphere of radius r and temperature T placed in environment of temperature T .if specifus heat is s then rate of cooling is proportional to a) r b) 1/r c)1/r*2 d)r*2

A solid sphere of radius r and temperature T placed in environment of temperature T .if specifus heat is s then rate of cooling is proportional to 
 
a) r
b) 1/r
c)1/r*2
d)r*2
 

Grade:12th pass

1 Answers

Arun
25763 Points
3 years ago
Rate of cooling is directly proportional to surface area.
Hence 
Rate lf cooling is proportional to r²
Option D is correct

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