Chapter question when you find a procedural question in a science textbook, first determine what you need to know from the textbook chapter to answer the question. then you should rewrite it, leaving out any specific variables. chapter question: what will be the magnification if you use a microscope that has an eyepiece with a focal length of 3.6 mm and an objective mirror with a diameter of 14 mm? select the best general question to formulate from the chapter question. a. given the focal length and the mirror diameter, how do i determine the magnification? b. if the focal length is 3.6 mm and the diameter is 14 mm, what is the magnification? c. how do i determine the focal length of a microscope's eyepiece?