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The half-life of a radioactive substance is 2 seconds. Calculate the decay...

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Question 577
A
0.035s-1
B
0.151s-1
C
0.347s-1
D
0.576s-1
E
1.386s-1
Explanation
\(\lambda = \frac{0.693}{T_{\frac{1}{2}}} = \frac{0.693}{2}\)

= 0.347s-1

Correct option: C

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