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data-target="#modal-feedback" style="margin-bottom: 10px"><i class="fa fa-send"></i>&nbsp;&nbsp;Feedback</button> </div> </div> <div class="col-md-9" id="main-column"> <h1 class="page_title"> Past paper walk-throughs <a href="#" class="mark-page-favorite pull-right" data-pid="858" title="Mark as favorite" onclick="return false;"><i class="fa fa-star-o"></i></a> </h1> <ol class="breadcrumb"> <li><a href="../../../physics.html"><i class="fa fa-home"></i></a><i class="fa fa-fw fa-chevron-right divider"></i></li><li><a href="../819/revision-tips.html">Revision tips</a><i class="fa fa-fw fa-chevron-right divider"></i></li><li><span class="gray">Past paper walk-throughs</span></li> <span class="pull-right" style="color: #555" title="Suggested study time: 1 minutes"><i class="fa fa-clock-o"></i> 1&apos;</span> </ol> <article id="main-article"> <p><img alt="" src="../../mindmaps-worked-solutions/solution-860229_1280-1.jpg" style="float: left; width: 267px; height: 200px;">This page is a growing repository of worked solutions.</p> <div class="greenBg"> <p>In some cases we will show &#39;too much&#39; working out (in particular for Paper 1) so that you can see the correct thought process in action. In most cases there are multiple methods to reach a calculated answer in&nbsp;Paper 2 and any of these will be marked correct.</p> </div> <p>For copyright reasons we are not permitted to provide the past paper questions.</p> <hr class="hidden-separator"> <h4>SL&nbsp;<img alt="" src="../../mindmaps-worked-solutions/ahl-waves-revision-notes.pdf">November 2018</h4> <p><img class="sibico" src="../../../img/sibico/no-calc.svg" style="height:1.25em;width: auto;vertical-align:text-bottom" title="No calculator">&nbsp;Paper 1</p> <button class="btn btn-xs bg-turquoise showhider"><i class="fa fa-fw fa-plus"></i></button><section class="hiddenbox hidden"> <p style="text-align: center;"><iframe frameborder="0" height="480" scrolling="no" src="../../mindmaps-worked-solutions/sl-paper-1---nov-18.pdf" width="100%"></iframe></p> </section> <p><img class="sibico" src="../../../img/sibico/calc.svg" style="height:1.25em;width: auto;vertical-align:text-bottom" title="Calculator">&nbsp;Paper 2</p> <button class="btn btn-xs bg-turquoise showhider"><i class="fa fa-fw fa-plus"></i></button><section class="hiddenbox hidden"> <p style="text-align: center;"><iframe frameborder="0" height="480" scrolling="no" src="../../mindmaps-worked-solutions/sl-paper-2---nov-18.pdf" width="100%"></iframe></p> </section> <p><img class="sibico" src="../../../img/sibico/calc.svg" style="height:1.25em;width: auto;vertical-align:text-bottom" title="Calculator">&nbsp;Paper 3&nbsp;(Engineering)</p> <button class="btn btn-xs bg-turquoise showhider"><i class="fa fa-fw fa-plus"></i></button><section class="hiddenbox hidden"> <p style="text-align: center;"><iframe frameborder="0" height="480" scrolling="no" src="../../mindmaps-worked-solutions/sl-paper-3-eng---nov-18.pdf" width="100%"></iframe></p> </section> <h4>HL May 2017 TZ2</h4> <p><img class="sibico" src="../../../img/sibico/no-calc.svg" style="height:1.25em;width: auto;vertical-align:text-bottom" title="No calculator">&nbsp;Paper 1</p> <button class="btn 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