The half-life of a radioactive material is 4 days. Find the time requi – InterviewSolution

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1.

The half-life of a radioactive material is 4 days. Find the time required for 1/4 of the initial number of radioactive nuclei of the element to remain undisintegrated.

Answer»

For t = nT,

N = N₀/ 2ⁿ.

In this case,

n = 2.

∴ f = 2T

= 2 × 4 = 8 days is the required time.

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