Biomedical Engineering > GATE 2021 > Radioactive Decay
In a radioactive isotope, N nuclei are needed to produce radioactivity level of 2 mCi. Assuming decay constant of 3.22 × 10⁻⁵ s⁻¹ and atomic weight of 98 g/mol and Avogadro's number = 6.02 × 10²³ mol⁻¹, the mass of N radionuclide is _______ picograms. (rounded off to the nearest integer)
Correct : 372 to 376
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