https://www.geekmcq.com/
CSS Solved Papers
Physics Chemistry

Engineering :: Nuclear Engineering


  The disintegration constant of a radioactive element is 2.31 x 10-10 years. Its half-life period is about
[A]. 1.15 x 10-10 years[B]. 3 x 109 years
[C]. 4 x 109 years[D]. 4 x 10-9 years

Answer: Option B


Write your comments here:
Name *:     Email:

© 2012-2024 by GeekMCQ™ Technologies. All Rights Reserved | Copyright | Terms of Use & Privacy Policy | Referals

Contact us: info@geekmcq.com