A radioisotope has a decay constant of 10−7s\(^{-1...
A radioisotope has a decay constant of 10−7s−1. The average life of the radioisotope is
1.00 x 107s
6.93 x 106s
1.00 x 10-7s
6.93 x 107s
Correct answer is B
Average life / Half life (T12) = ln2/λ = 0.693/10−7
= 0.693 x 107
= 6.93 x 106