<?xml version="1.0" encoding="UTF-8" ?><!-- generator=Zoho Sites --><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><atom:link href="https://www.physicshelpline.com/Question/tag/surface-tension/feed" rel="self" type="application/rss+xml"/><title>physicshelpline - Question of the day #Surface tension</title><description>physicshelpline - Question of the day #Surface tension</description><link>https://www.physicshelpline.com/Question/tag/surface-tension</link><lastBuildDate>Wed, 17 Jun 2026 09:09:37 +0530</lastBuildDate><generator>http://zoho.com/sites/</generator><item><title><![CDATA[Surface Tension]]></title><link>https://www.physicshelpline.com/Question/post/surface-tension</link><description><![CDATA[Q- Two soap bubbles of radii R 1 and R 2 coalesce to form a double bubble as in figure. Find the radius of curvature of their common surface.&nbsp; Solut ]]></description><content:encoded><![CDATA[<div class="zpcontent-container blogpost-container "><div data-element-id="elm_XYhqtt3ZQ6uaY7qegPF3fQ" data-element-type="section" class="zpsection "><style type="text/css"></style><div class="zpcontainer-fluid zpcontainer"><div data-element-id="elm_hpWdlvKIjNYMHSqjD3-H-A" data-element-type="row" class="zprow zprow-container zpalign-items-flex-start zpjustify-content-flex-start zpdefault-section zpdefault-section-bg " data-equal-column="false"><style type="text/css"></style><div data-element-id="elm_dl4XxpWvDUva5gPl0rUvcg" data-element-type="column" class="zpelem-col zpcol-12 zpcol-md-12 zpcol-sm-12 zpalign-self- zpdefault-section zpdefault-section-bg "><style type="text/css"></style><div data-element-id="elm_OOLhQmCNezWOcnq-ie3-9g" data-element-type="imagetext" class="zpelement zpelem-imagetext "><style> @media (min-width: 992px) { [data-element-id="elm_OOLhQmCNezWOcnq-ie3-9g"] .zpimagetext-container figure img { width: 183px !important ; height: 108px !important ; } } </style><div data-size-tablet="" data-size-mobile="" data-align="left" data-tablet-image-separate="false" data-mobile-image-separate="false" class="zpimagetext-container zpimage-with-text-container zpimage-align-left zpimage-tablet-align-center zpimage-mobile-align-center zpimage-size-custom zpimage-tablet-fallback-fit zpimage-mobile-fallback-fit hb-lightbox " data-lightbox-options="
            type:fullscreen,
            theme:dark"><figure role="none" class="zpimage-data-ref"><span class="zpimage-anchor" role="link" tabindex="0" aria-label="Open Lightbox" style="cursor:pointer;"><picture><img class="zpimage zpimage-style-none zpimage-space-none " src="/files/Sitefiles/26.04.30.jpg" size="custom" data-lightbox="true"/></picture></span></figure><div class="zpimage-text zpimage-text-align-left zpimage-text-align-mobile-left zpimage-text-align-tablet-left " data-editor="true"><p><span style="font-size:18px;">Q- Two soap bubbles of radii R<span style="font-size:10px;">1</span> and R<span style="font-size:10px;">2</span> coalesce to form a double bubble as in figure. Find the radius of curvature of their common surface.&nbsp;</span></p><p><strong style="font-size:18px;font-style:italic;"><a href="/files/Fluids/26.04.30.pdf" target="_blank" rel="nofollow noopener" style="text-decoration-line:underline;">Solution:</a></strong></p></div>
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