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JEE Main 16 March 2021 Shift 2 Solved Paper

Section: Physics

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Question : 9

Total: 90

The half-life of Au198 is 2.7 days. The activity of 1.50mg of Au198 if its atomic weight is 198gmol−1 is (NA=6×1023∕mol)

[16 Mar 2021 Shift 2]

240Ci
357Ci
535Ci
252Ci

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