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.
Verified Correct Answer: D.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #42778)