The half life of { }_{92}^{238} \U undergoing \\alpha-decay is 1.42 \\times10^{17} {s}. What is activity (initial) of 1 {\gm} of the sample.

Correct Answer is : 1.23×104s−1

NEET 2022 Model Paper 4

Question : 4 of 200

Marks: +1, -0

The half life of ‌92238U undergoing α-decay is 1.42×1017s. What is activity (initial) of 1‌gm of the sample.

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