Translations:Adventist Youth Honors Answer Book/Health and Science/Optics/36/en

From Pathfinder Wiki

4. What should be the minimum distance of light source from the lens when testing for focal length?

Measuring the focal point

It depends on how accurately you want to measure the focal length. The focal length can be determined by the equation:

Retrieved from "https://wiki.pathfindersonline.org/index.php?title=Translations:Adventist_Youth_Honors_Answer_Book/Health_and_Science/Optics/36/en&oldid=309023"