An astronomical telescope which is being used to view a very distant object is said to be in normal adjustment if ____________
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- 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.
Correct Answer: Option D
Explanation:
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