Two-similar-spherical-bodies-of-radius-R-and-2R-are-initially-are-at-same-temperature-if-they-are-kept-to-cool-under-the-same-condition-show-qualitatively-which-of-the-two-spherical-body-will-cool-

Question Number 51098 by peter frank last updated on 24/Dec/18

T w o s i m i l a r s p h e r i c a l

b o d i e s o f r a d i u s R a n d 2 R

a r e i n i t i a l l y a r e a t s a m e

t e m p e r a t u r e . i f t h e y a r e

k e p t t o c o o l u n d e r t h e s a m e

c o n d i t i o n . s h o w q u a l i t a t i v e l y

w h i c h o f t h e t w o s p h e r i c a l

b o d y w i l l c o o l f a s t e r .

Answered by peter frank last updated on 24/Dec/18

Commented by peter frank last updated on 24/Dec/18

t h e s p h e r e o f r a d i u s R w i l l

c o o l f a s t e r t h a n t h e

s p h e r e o f r a d i u s 2 R

b e c o u s e t h e r a t e o f c o o l i n g

f o r t h e s m a l l r a d i u s i s

t w i c e t h a t o f t h e l a r g e r

s p h e r e 2 R .