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Draw a labelled diagram showing the formation of image of a distant object using an astronomical telescope in the normal adjustment. |
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Answer» Solution :In an astronomical TELESCOPE, the objective is a convex lens of LARGE focal length. The eye lens is also a convex lens of small focal length. The position of the eye piece is ADJUSTED so that final image is seen at infinity. Then distance between two lenses `d = f_(0)+f_(e)` 
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