Biomedical Engineering > GATE 2026 > Nuclear Medicine
The half-life of 113mIn nuclei is 1.7 hours, and the 99mTc nuclei is 6.0 hours. If the initial activity levels of 113mIn and 99mTc in their respective samples are 100 Gigabecquerels (GBq) and 20 GBq, the time at which their activity levels become equal is _______ hours. (Round off to one decimal place)
Correct : 5.5
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