The time during which half of the unstable radioactive nuclei disintegrate of the sample of a radioactive element is called the
(correct answer + 1, wrong answer - 0.25)

full life

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half life

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double life

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quarter life

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Solution

The correct option is B half life
The time during which half of the unstable radioactive nuclei disintegrate of the sample of a radioactive element is called the half life.

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