1.

One seond is defined as

Answer» <html><body><p>1650763.73 <a href="https://interviewquestions.tuteehub.com/tag/perods-2922951" style="font-weight:bold;" target="_blank" title="Click to know more about PERODS">PERODS</a> of krypton clock<br/>652189.6 peridos of krypton clock<br/>1650763.73 periods of cesium clock<br/>9192631770 periods of cesium clock.</p>Solution :The second is the duration of 9192631770 periods of the radiation corresponding to the <a href="https://interviewquestions.tuteehub.com/tag/transition-712134" style="font-weight:bold;" target="_blank" title="Click to know more about TRANSITION">TRANSITION</a> between the two hyperfine <a href="https://interviewquestions.tuteehub.com/tag/levels-1072811" style="font-weight:bold;" target="_blank" title="Click to know more about LEVELS">LEVELS</a> of the <a href="https://interviewquestions.tuteehub.com/tag/ground-1013213" style="font-weight:bold;" target="_blank" title="Click to know more about GROUND">GROUND</a> state of the cesium-133 <a href="https://interviewquestions.tuteehub.com/tag/atom-887280" style="font-weight:bold;" target="_blank" title="Click to know more about ATOM">ATOM</a>.</body></html>


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