{"id":133725,"date":"2022-03-03T23:40:15","date_gmt":"2022-03-03T18:10:15","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=133725"},"modified":"2025-06-18T16:19:49","modified_gmt":"2025-06-18T10:49:49","slug":"lens-equations-examples-part-1","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/class-10\/physics\/light\/lens-equations-examples-(part-1)\/","title":{"rendered":"Lens Equations &#8211; Examples (Part 1)"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/class-10\/physics\/light\/lens-equations-examples-(part-1)\/#Example_1\" title=\"Example 1\">Example 1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/class-10\/physics\/light\/lens-equations-examples-(part-1)\/#Q_A_light_bulb_is_placed_at_a_distance_of_10_cm_from_a_convex_lens_having_a_focal_length_of_15_cm_Determine_the_distance_of_the_image_from_the_lens\" title=\"Q. A light bulb is placed at a distance of 10 cm from a convex lens having a focal length of 15 cm. Determine the distance of the image from the lens.\">Q. A light bulb is placed at a distance of 10 cm from a convex lens having a focal length of 15 cm. Determine the distance of the image from the lens.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/class-10\/physics\/light\/lens-equations-examples-(part-1)\/#To_find\" title=\"To find:\">To find:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/class-10\/physics\/light\/lens-equations-examples-(part-1)\/#Formula\" title=\"Formula:\">Formula:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/class-10\/physics\/light\/lens-equations-examples-(part-1)\/#Solution\" title=\"Solution:\">Solution:<\/a><\/li><\/ul><\/nav><\/div>\n<p><strong>Table of Contents<\/strong><\/p>\n<ul>\n<li>Example 1<\/li>\n<li>What\u2019s Next?<\/li>\n<\/ul>\n<p>In the previous segment, we learnt about <strong>The lens equation. <\/strong>In this segment, let us look at some examples of the lens equation.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Example_1\"><\/span>Example 1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"Q_A_light_bulb_is_placed_at_a_distance_of_10_cm_from_a_convex_lens_having_a_focal_length_of_15_cm_Determine_the_distance_of_the_image_from_the_lens\"><\/span>Q. A light bulb is placed at a distance of 10 cm from a convex lens having a focal length of 15 cm. Determine the distance of the image from the lens.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Given:<\/strong><\/p>\n<p>Distance of the object from the lens (u) = -10 cm Focal length of the convex lens (f) = 15 cm<\/p>\n<h2><span class=\"ez-toc-section\" id=\"To_find\"><\/span>To find:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Distance of the image from the lens (v)<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Formula\"><\/span>Formula:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>1 1 1<\/p>\n<p>= \u2212<\/p>\n<p>? ? ?<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Solution\"><\/span>Solution:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>1 1 1<\/p>\n<p>= \u2212<\/p>\n<p>? ? ?<\/p>\n<p>1 1 1<\/p>\n<p>\u2234 = +<\/p>\n<p>15 ? 10<\/p>\n<p>1 1 1<\/p>\n<p>\u2234 = \u2212<\/p>\n<p>? 15 10<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Table of Contents Example 1 What\u2019s Next? In the previous segment, we learnt about The lens equation. In this segment, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Lens Equations - Examples (Part 1)","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"Lens Equations - Examples (Part 1) | Class 10 Physics Light","custom_permalink":"class-10\/physics\/light\/lens-equations-examples-(part-1)\/"},"categories":[1],"tags":[],"table_tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Lens Equations - Examples (Part 1) - Infinity Learn by Sri Chaitanya<\/title>\n<meta name=\"description\" content=\"Lens Equations - Examples (Part 1) | Class 10 Physics Light\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/infinitylearn.com\/surge\/class-10\/physics\/light\/lens-equations-examples-(part-1)\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lens Equations - 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