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A reflecting type telescope has a large ...

A reflecting type telescope has a large spherical mirror for its objective with radus of curvature equal to 80 cm.What is the magnifying power of telescope,if eyepiece used has a focal length of 1.6 cm.

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MODERN PUBLICATION-Optical Instruments-EXERCISE
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  15. An astronomical telescope,when in normal adjustment has magnifying pow...

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  16. A small telescope has an objective lens of focal length 140cm and an e...

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  17. An astronomical telescope,when in normal adjustment has magnifying pow...

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  18. A reflecting type telescope has a large spherical mirror for its objec...

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  19. The objective of telescope A has a diameter 3 times that of the object...

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