🌐EnglishEnglishDeutschEspañolFrançaisفارسی中文日本語EntityQ1267170· pop 8· linked from 123 articlesimpact depthDepth of projectile penetrationAvailable in 8 languagesEspañolFrançaisDeutsch中文FinnishHebrewفارسیvia Wikidata sitelinks · CC0ConnectionsIsaac NewtonPersonOpticks, or a Treatise of the Reflections, Refractions, Inflections and Colours of LightEntityCategoriesIsaac NewtonProjectiles