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 faster.


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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

	$t h e s p h e r e o f r a d i u s R w i l l$ $c o o l f a s t e r t h a n t h e$ $s p h e r e o f r a d i u s 2 R$ $b e c o u s e t h e r a t e o f c o o l i n g$ $f o r t h e s m a l l r a d i u s i s$ $t w i c e t h a t o f t h e l a r g e r$ $s p h e r e 2 R .$
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