Question:medium

After two hours, one-sixteenth of the starting amount of a certain radioactive isotope remained undecayed. The half life of the isotope is

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If remaining fraction is: ((1)/(2))ⁿ then number of half-lives elapsed = n.
Updated On: Mar 19, 2026
  • 15 minutes
  • 30 minutes
  • 45 minutes
  • 4 hours
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The Correct Option is A

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