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Your are given following three lense. Wh...

Your are given following three lense. Which two lenses will you use as an eyepiece and as an objective to construct as astronomical telescope ?

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For a telescope, lens `L_(1)` is used as an objective as its aperture is larger. The lens `L_(3)` is used as eye piece as its focal length is smaller
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XII BOARDS PREVIOUS YEAR-XII BOARDS-SET I
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