{"id":1739,"date":"2022-11-21T16:00:05","date_gmt":"2022-11-21T10:30:05","guid":{"rendered":"https:\/\/www.aplustopper.com\/?p=1739"},"modified":"2022-11-22T16:51:00","modified_gmt":"2022-11-22T11:21:00","slug":"image-formation-by-concave-convex-lenses","status":"publish","type":"post","link":"https:\/\/www.aplustopper.com\/image-formation-by-concave-convex-lenses\/","title":{"rendered":"Image Formation by Concave and Convex Lenses"},"content":{"rendered":"

Image Formation By Convex Lens\u00a0<\/strong>in Different Cases<\/strong><\/h2>\n

Case 1: Object at Infinity<\/strong>
\nA point object lying on the principal axis:<\/strong>
\nRays come parallel to the principal axis and after refraction from the lens, actually meet at the second principal focus F2<\/sub>.
\n\"Image-Formation-By-Concave-And-Convex-Lenses-1\"
\nFig.<\/strong> Convex lens point object at infinity, image at focus.
\nThe image is formed at focus F2<\/sub>. It is real and point sized.<\/p>\n

A big size object with its foot on the principal axis:<\/strong>
\nParallel rays come inclined to the principal axis. Image of foot is formed at the focus.
\nImage is formed at the second principal focus F2<\/sub>. It is real inverted and diminished (smaller in size than the object). (Fig.)
\nParallel rays from infinity
\n\"Image-Formation-By-Concave-And-Convex-Lenses-2\"
\nFig.<\/strong> Convex lens : big size object at infinity, image at focus<\/p>\n

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