The time taken by a radioactive element to reduce to e~’A times its original amount is its:
A. half-life period
B. \(\frac{\text { half – life period }}{2}\)
C. mean life period
D. \(\frac{\text { mean life period }}{2}\)
Answer:D
The time taken by a radioactive element to reduce to e~’A times its original amount is its:
A. half-life period B. \(\frac{\text { half – life period }}{2}\) C. mean life period D. \(\frac{\text { mean life period }}{2}\)