What is an astronomical telescope? Draw a labelled ray diagram showing the formation of image of a distant object by an astronomical telescope. State the magnification produced by a telescope in normal adjustment. How can the magnification power of a telescope be increased?
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An astronomical telescope is an optical instrument which is used to see the magnified image of distant heavenly bodies like stars, planets, satellites and galaxies etc. ... An astronomical telescope consists oftwo convex lenses : an objective lens O and an eye piece E. the focal length fo of the object..
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