A sample of radioactive element undergoes 90% decomposition in 336 minutes. Its t_(0.5) in minutes is

A sample of radioactive element undergoes 90% decomposition in 336 min

1.	A sample of radioactive element undergoes 90% decomposition in 336 minutes. Its t_(0.5) in minutes is
Answer» <html><body><p>(In 2/l In 10) `xx <a href="https://interviewquestions.tuteehub.com/tag/366-1859606" style="font-weight:bold;" target="_blank" title="Click to know more about 366">366</a>`<br/><a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>/366<br/>(In 2/1 In 90) `xx 366`<br/>183</p>Solution :`t_(0.5)=(1)/(<a href="https://interviewquestions.tuteehub.com/tag/lambda-539003" style="font-weight:bold;" target="_blank" title="Click to know more about LAMBDA">LAMBDA</a>)"In" 2, t_(0.9)=(1)/(lambda)"In" 10` <br/> `therefore (t_(0.5))/(t_(0.9))=(ln 2)/(ln 10)` <br/> or `t_(0.5) = ("In"//2//"In" 10)xxt_(0.9)`</body></html>