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In an astronomical telescope in normal a...

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 is

A

`L/l`

B

`L/l+1`

C

`L/l-1`

D

`(L+l)/(L-l)`

Text Solution

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The correct Answer is:
a
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