The focal length of the objective lens of an astronomical telescope is 30 cms and its eye lens is 3 cms. It is focused on a scale 2 meters distant from it. Calculate the distance of the objective lens from the eye lens to see with a relaxed eye.

 

Engineering Physics
The focal length of the objective lens of an astronomical telescope is 30 cms and its eye lens is 3 cms. It is focused on a scale 2 meters distant from it. Calculate the distance of the objective lens from the eye lens to see with a relaxed eye.

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