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<h2 class="hd hd-2 unit-title">1.3.10. Video Lecture</h2>
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<h2 class="hd hd-2 unit-title">1.3.10. Required Assessment</h2>
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Assessment 1
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<label class="problem-group-label" for="input_3da085a282c740aead088503880f099e_2_1" id="label_3da085a282c740aead088503880f099e_2_1">Following the lightboard example, how long would an unmanned lighthouse containing \(10kg\) of \(^{90}Sr\) produce at least \(1kW\) of thermal power, which would keep a good sized light on? Don&#8217;t forget to account for any daughter products of \(^{90}Sr\) decay, which may also be radioactive. Give your answer to the nearest year.</label>
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