TS EAMCET 2016 Code A Solved Paper

Section: Physics

Question : 117 of 160

Marks: +1, -0

A certain radioactive element disintegrates with a decay constant of 7.9×10−10/sec At a given instant of time, if the activity of the sample is equal to 55.3×1011 disintegration/sec, then number of nuclei at that instant of time

7.0×1021
4.27×1013
4.27×103
6×1023

Validate

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