A. 0.035s−¹
B. 0.151s−¹
C. 0.347s−¹
D. 0.576s−¹
E. 1.386s−¹
Correct Answer:
Option C – 0.347s−¹
Explanation
λ=0.693/T½ = 0.6932
= 0.347s−¹
The half-life of a radioactive substance is 2 seconds. Calculate the decay constant?
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