An astronomical telescope which is being used to view a very distant object is said to be in normal adjustment if ____________
A. the final image is at the near-point B. the image formed by the objective is before the focus of the eye piece C. the angular magnification is the ratio of the focal length of the eye-piece lens to that of the objective D. the foci dl the objective and the eye-piece coincide between the lenses E. the distance between the objective lens and the eye-piece is equal to the difference between their focal lengths.
