1.

OJ T9I6T26. Two thin lenses of power +5D and- 2.5 D are in contact. What is the focallength of the combination? All India 2010

Answer» OJ T9I6T26. Two thin lenses of power +5D and- 2.5 D are in contact. What is the focallength of the combination? All India 2010


Discussion

No Comment Found