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The length of an astronomical telescope ...

The length of an astronomical telescope for normal vision (relaxed eye) ( `f_(o)` = focal length of objective lens and `f_(e)` = focal length of eye lens) is

A

`f_(0)xxf_(e)`

B

`f_(0)/f_(e)`

C

`f_(0)+f_(e)`

D

`f_(0)-f_(e)`

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The correct Answer is:
3
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