### size reduction SlideShare

Mar 13 2015 2 didn reduction ratio. If n1.0 equation 2 becomes Kicks theory. If n1.5 equation 2 becomes Bonds theory. If n2.0 equation 2 becomes Rittingers theory. 19. Rittingers theory According to this theory energy E required for size reduction of unit mass is directly proportional to the new surface area produced.