1.

In an astronomical telescope in normal adjustment a straight black line of length `L` is drawn on inside part of objective lens. The eye piece forms a real image of this line. The length of this image is `I`. The magnification of the telescope isA. `L/l`B. `L/l+1`C. `L/l-1`D. `(L+l)/(L-l)`

Answer» Correct Answer - a


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