A radioactive isotope has a decay constant of 10-5s4. Calculate half life
- 6.93 x 10-5s
- 6.93 x 105s
-
6.93 x104s
- 6.93 x 10-4s
The correct answer is: C
Explanation
T (1)/2 = (0.693)/λ = (0.693)/10-5
= 0.693 x 105
= 6.93 x 104 sec
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