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

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

Try this quiz in in E-test/CBT Mode
switch to