Chapter 1. A Refracting Telescope

Interactive Exercise
Moon Phases
Question 1 of 4

A Refracting Telescope

Click on the Eyepiece lens in the image below.
A Refracting Telescope Image
Feedback
{"title":"Eyepiece lens","description":"","type":"correct","color":"#99ccff","code":"[{\"shape\":\"circle\",\"coords\":\"459,125,47\"}]"} {"title":"Focal length of eyepiece","description":"Incorrect. Try again.","type":"incorrect","color":"#99ccff","code":"[{\"shape\":\"circle\",\"coords\":\"410,55,38\"}]"} {"title":"Objective lens","description":"Incorrect. Try again.","type":"incorrect","color":"#99ccff","code":"[{\"shape\":\"rect\",\"coords\":\"52,22,118,195\"}]"} {"title":"Focal length of objective","description":"Incorrect. Try again.","type":"incorrect","color":"#99ccff","code":"[{\"shape\":\"circle\",\"coords\":\"224,188,33\"}]"}

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