<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:24px"><div id="yui_3_16_0_1_1430064550504_23135"><br></div><div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_1_1430064550504_23127" style="display: block;"><div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 24px;" id="yui_3_16_0_1_1430064550504_23126"><div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1430064550504_23125"><div class="y_msg_container" id="yui_3_16_0_1_1430064550504_23124"><div id="yiv0088523210"><div id="yui_3_16_0_1_1430064550504_23123"><div style="color:#000;background-color:#fff;font-family:times new roman, new york, times, serif;font-size:12pt;" id="yui_3_16_0_1_1430064550504_23122"><div style="font-family:'times new roman', 'new york', times, serif;font-size:12pt;" id="yui_3_16_0_1_1430064550504_23121"><div style="font-family:'times new roman', 'new york', times, serif;font-size:12pt;" id="yui_3_16_0_1_1430064550504_23120"><div class="yiv0088523210y_msg_container" id="yui_3_16_0_1_1430064550504_23119"><div id="yiv0088523210"><div id="yui_3_16_0_1_1430064550504_23118"><div dir="ltr" id="yui_3_16_0_1_1430064550504_23117"><div class="yiv0088523210gmail_quote" id="yui_3_16_0_1_1430064550504_23116"><div style="" id="yui_3_16_0_1_1430064550504_23115"><div id="yui_3_16_0_1_1430064550504_23179">
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<div class="yiv0088523210MsoNormal" id="yui_3_16_0_1_1430064550504_23183"><b id="yui_3_16_0_1_1430064550504_23182"><span lang="EN" style="font-size:13.5pt;" id="yui_3_16_0_1_1430064550504_23181">Wave Interference</span></b><u></u><u></u></div>
<div class="yiv0088523210MsoNormal" id="yui_3_16_0_1_1430064550504_23159"><a rel="nofollow" shape="rect" target="_blank" href="http://br.youtube.com/watch?v=PCYv0_qPk-4" id="yui_3_16_0_1_1430064550504_23158">http://br.youtube.com/watch?v=PCYv0_qPk-4</a>
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<div class="yiv0088523210MsoNormal" id="yui_3_16_0_1_1430064550504_23187"> <b id="yui_3_16_0_1_1430064550504_23186"><span lang="EN" style="font-size:13.5pt;" id="yui_3_16_0_1_1430064550504_23185">Ripple Tank Two Slit Interference</span></b><u></u><u></u></div>
<div class="yiv0088523210MsoNormal"><span lang="EN"><a rel="nofollow" shape="rect" target="_blank" href="http://br.youtube.com/watch?v=V-vWqji4BFs&feature=related">http://br.youtube.com/watch?v=V-vWqji4BFs&feature=related</a></span><u></u><u></u></div>
<div class="yiv0088523210MsoNormal"><span lang="EN"> </span><b><span lang="EN" style="font-size:13.5pt;">Ripples
- two point source interference</span></b><u></u><u></u></div>
<div class="yiv0088523210MsoNormal"><span lang="EN"><a rel="nofollow" shape="rect" target="_blank" href="http://www.youtube.com/watch?v=_BbkDTrYVhM&NR=1">http://www.youtube.com/watch?v=_BbkDTrYVhM&NR=1</a></span><u></u><u></u></div>
<div class="yiv0088523210MsoNormal"><span lang="EN"> </span><b><span lang="EN" style="font-size:13.5pt;">Thin
film interference, soap bubble</span></b><u></u><u></u></div>
<div class="yiv0088523210MsoNormal"><span lang="EN"><a rel="nofollow" shape="rect" target="_blank" href="http://www.youtube.com/watch?v=CyF04RnS4SM&NR=1">http://www.youtube.com/watch?v=CyF04RnS4SM&NR=1</a>
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<div class="yiv0088523210MsoNormal"><span lang="EN"> </span><b><span lang="EN" style="font-size:13.5pt;">Soap
Bubble</span></b><u></u><u></u></div>
<div class="yiv0088523210MsoNormal"><span lang="EN"><a rel="nofollow" shape="rect" target="_blank" href="http://www.youtube.com/watch?v=lRhUQTuEu3I&NR=1">http://www.youtube.com/watch?v=lRhUQTuEu3I&NR=1</a>
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<div class="yiv0088523210MsoNormal" id="yui_3_16_0_1_1430064550504_23341"><span lang="EN"> </span><b id="yui_3_16_0_1_1430064550504_23340"><span lang="EN" style="font-size:13.5pt;" id="yui_3_16_0_1_1430064550504_23339">Transmission
Line Matrix: diffraction of waves 2</span></b><u></u><u></u></div>
<div class="yiv0088523210MsoNormal" id="yui_3_16_0_1_1430064550504_23191"><span lang="EN" id="yui_3_16_0_1_1430064550504_23190"><a rel="nofollow" shape="rect" target="_blank" href="http://www.youtube.com/watch?v=p6A0bzlm0YA" id="yui_3_16_0_1_1430064550504_23189">http://www.youtube.com/watch?v=p6A0bzlm0YA</a></span><u></u><u></u></div>
<div class="yiv0088523210MsoNormal"><span lang="EN"> </span><b><span lang="EN" style="font-size:13.5pt;">Wavefront
3</span></b><u></u><u></u></div>
<div class="yiv0088523210MsoNormal"><span lang="EN"><a rel="nofollow" shape="rect" target="_blank" href="http://www.youtube.com/watch?v=QwpnJ5YIAA4">http://www.youtube.com/watch?v=QwpnJ5YIAA4</a></span><u></u><u></u></div>
<div class="yiv0088523210MsoNormal" id="yui_3_16_0_1_1430064550504_23198"><span lang="EN"> </span><span style="font-size:6.0pt;color:#747575;"><u></u><u></u></span></div>
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