Physics · Nuclei

Calculate the time interval between 33% decay and 67% decay if the half-life of a radioactive substance is 20 min.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

113 min
240 min
320 min✓
460 min

Correct answer

20 min

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Calculate the time interval between 33% decay and 67% decay if the half-life of a radioactive substance is 20 min.

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Calculate the time interval between 33% decay and 67% decay if the half-life of a radioactive substance is 20 min.

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