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<h2 class="hd hd-2 unit-title">1.2.3. Video Lecture</h2>
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<h3 class="hd hd-4 downloads-heading sr" id="video-download-transcripts_275c1a5b4fab4bb797e395a103289d08">Downloads and transcripts</h3>
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<h4 class="hd hd-5">Transcripts</h4>
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<a class="btn btn-link" href="/courses/course-v1:MITx+22.011x+3T2018/xblock/block-v1:MITx+22.011x+3T2018+type@video+block@275c1a5b4fab4bb797e395a103289d08/handler/transcript/download" data-value="srt">Download SubRip (.srt) file</a>
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<h2 class="hd hd-2 unit-title">1.2.3. Required Assessment</h2>
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Assessment 1
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<legend id="e298c63fc0aa441d8ec157467b7eb967_2_1-legend" class="response-fieldset-legend field-group-hd">A characteristic x-ray may be emitted from an atom immediately following which type(s) of radioactive decay? Do not count multi-stage decays.</legend>
<p class="question-description" id="description_e298c63fc0aa441d8ec157467b7eb967_1_1">Select all that apply</p>
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<span class="status unanswered" id="status_e298c63fc0aa441d8ec157467b7eb967_2_1" data-tooltip="Not yet answered.">
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Assessment 2
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