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CBSE XII
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Physics
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Ray optics and optical instruments
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A small telescope has an objective lens of focal length 140 cm and eyepiece of focal length 5.0 cm What is the seperation between the objective lens and the eye piece ?
$\begin{array}{1 1} 140\;cm \\ 135\;cm \\ 145\;cm \\ 130\;cm \end{array} $
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