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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 the objective lens. The eypeice forms a real image of this line. The length of this image ie l. The magnification of the telescope is

A

`L/l`

B

`L/I+1`

C

`L/I-1`

D

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

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The correct Answer is:
A
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