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<h2 class="hd hd-2 unit-title">1.2.5. Video Lecture</h2>
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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@c59e56ce7f094bfb966934eb1e8c9d30/handler/transcript/download" data-value="srt">Download SubRip (.srt) file</a>
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<h2 class="hd hd-2 unit-title">1.2.5. Required Assessment</h2>
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Assessment 1
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<legend id="8094ad1285c64c40ac8152736055b2a4_2_1-legend" class="response-fieldset-legend field-group-hd">Gamma rays may be emitted following:</legend>
<p class="question-description" id="description_8094ad1285c64c40ac8152736055b2a4_1_1">Select all that apply</p>
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<input type="checkbox" name="input_8094ad1285c64c40ac8152736055b2a4_2_1[]" id="input_8094ad1285c64c40ac8152736055b2a4_2_1_choice_2" class="field-input input-checkbox" value="choice_2"/><label id="8094ad1285c64c40ac8152736055b2a4_2_1-choice_2-label" for="input_8094ad1285c64c40ac8152736055b2a4_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_8094ad1285c64c40ac8152736055b2a4_2_1 description_8094ad1285c64c40ac8152736055b2a4_1_1"> Beta-plus decay
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<input type="checkbox" name="input_8094ad1285c64c40ac8152736055b2a4_2_1[]" id="input_8094ad1285c64c40ac8152736055b2a4_2_1_choice_3" class="field-input input-checkbox" value="choice_3"/><label id="8094ad1285c64c40ac8152736055b2a4_2_1-choice_3-label" for="input_8094ad1285c64c40ac8152736055b2a4_2_1_choice_3" class="response-label field-label label-inline" aria-describedby="status_8094ad1285c64c40ac8152736055b2a4_2_1 description_8094ad1285c64c40ac8152736055b2a4_1_1"> Other gamma decays (isomeric transitions)
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