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A simple astronomical telescope is desig...

A simple astronomical telescope is designed using two convex lenses of focal lengths 1 m and `0.05`m. Find the magnifying power when the instrument is used to view a distant object if the final image is formed (a) at a great distance, (b) at a distance of `0.25`m from the eye-piece.

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The correct Answer is:
(a) 20, (b)24
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NN GHOSH-OPTICAL INSTRUMENTS-EXERCISES
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  2. A telescope has two convex lenses of focal lengths 10 cm and 1 cm. If ...

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