A small telescope has an objective lens of focal length 140 cm and an eyepiece of focal length 5.0 cm. Find the magnifying powr of the telescope for viewing distant obejcts when:
(i) the telescope is in normal adjsutment.
(ii) the final image is formed at the least distance of distinct vision.
Also, find the separation between the objective and the eyepiece.
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what is a eye piece
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