Chapter 1. A Refracting Telescope

1.1 A Refracting Telescope

Interactive Exercise

A Refracting Telescope

Question

MOzgWnhSP+l4F5Hllrm3CbBkiU1SwN50ss+cdf9DwSY2cV/U5jsL8aR7SWh7YWF8SKP2JE4w1dbc5ajgz/XGN1269iU=

$A Refracting Telescope Image$

{"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\"}]"}

Question

XY0kGUAvuZXVCg8fawF8shb5+6dBXtPGPZToO8bASZ38XoMvpjqey5WyBo4SALk4uiMrdTWNfuOcsSbMv4odfPMS8nubhHIOv07ZqcCu36DRLX0g

$A Refracting Telescope Image$

{"title":"Eyepiece lens","description":"Incorrect. Try again.","type":"incorrect","color":"#99ccff","code":"[{\"shape\":\"circle\",\"coords\":\"453,122,44\"}]"} {"title":"Focal length of eyepiece","description":"Incorrect. Try again.","type":"incorrect","color":"#99ccff","code":"[{\"shape\":\"circle\",\"coords\":\"413,58,31\"}]"} {"title":"Objective lens","description":"Incorrect. Try again.","type":"incorrect","color":"#99ccff","code":"[{\"shape\":\"rect\",\"coords\":\"50,21,113,197\"}]"} {"title":"Focal length of objective","description":"","type":"correct","color":"#99ccff","code":"[{\"shape\":\"circle\",\"coords\":\"223,187,34\"}]"}

Question

eTtmrzuonYHANC42ZUXd/oKovSB/xjkjBqONPjZ1DLOsdb09GftqXshpe/M+SgV6caF0nKGsxAt7CND7OZ9VwVRwHBdINxt4uwgtGbWSUELCu93Z

$A Refracting Telescope Image$

{"title":"Eyepiece lens","description":"Incorrect. Try again.","type":"incorrect","color":"#99ccff","code":"[{\"shape\":\"circle\",\"coords\":\"456,124,45\"}]"} {"title":"Focal length of eyepiece","description":"","type":"correct","color":"#99ccff","code":"[{\"shape\":\"circle\",\"coords\":\"414,58,27\"}]"} {"title":"Objective lens","description":"Incorrect. Try again.","type":"incorrect","color":"#99ccff","code":"[{\"shape\":\"rect\",\"coords\":\"51,24,115,196\"}]"} {"title":"Focal length of objective","description":"Incorrect. Try again.","type":"incorrect","color":"#99ccff","code":"[{\"shape\":\"circle\",\"coords\":\"223,186,39\"}]"}

Question

dcZUxkOtIWx0M6CR8iGCjuNusxPH/nqRjMLKavcjIJKdzYsmfqkIviP31JLOsteSe83okSFjCUfBS2ijpfRMvnDjRfI=

$A Refracting Telescope Image$

{"title":"Eyepiece lens","description":"Incorrect. Try again.","type":"incorrect","color":"#99ccff","code":"[{\"shape\":\"circle\",\"coords\":\"456,124,45\"}]"} {"title":"Focal length of eyepiece","description":"Incorrect. Try again.","type":"incorrect","color":"#99ccff","code":"[{\"shape\":\"circle\",\"coords\":\"414,58,27\"}]"} {"title":"Objective lens","description":"","type":"correct","color":"#99ccff","code":"[{\"shape\":\"rect\",\"coords\":\"51,24,115,196\"}]"} {"title":"Focal length of objective","description":"Incorrect. Try again.","type":"incorrect","color":"#99ccff","code":"[{\"shape\":\"circle\",\"coords\":\"223,186,39\"}]"}

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