Rankers Physics

Uncategorized: Practice Problem & Solution

57. The half life of a radio nuclide is 77 days then its decay constant is: (1999)
0.003/day
0.006/day
0.009/day
0.012/day

Solution Explained:

To solve this problem, we apply the core principles of Uncategorized. Understanding the underlying formula is key to arriving at the correct answer below:

The decay constant is $\lambda = \frac{\ln 2}{T_{1/2}} = \frac{0.693}{77}$. Calculating this yields $\lambda = 0.009$/day.

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