The half-life of radioactive element X having decay constant of 1.7 × 10-5 s-1 is …………
A. 21.5 h
B. 19.7 h
C. 11.3 h
D. 2.8 h
Answer:C
The half-life of radioactive element X having decay constant of 1.7 × 10-5 s-1 is …………
A. 21.5 h B. 19.7 h C. 11.3 h D. 2.8 h