cse • paper_2 • nuclear_particle
[UPSC CSE 1986] Nuclear Physics (Q223, 20M)
The number of alpha particles emitted per gm of radium each second is 3.71 \times 10^{10}. Atomic weight of radium is 226. Calculate its half-life in years.
The number of alpha particles emitted per gm of radium each second is 3.71 \times 10^{10}. Atomic weight of radium is 226. Calculate its half-life in years.
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