Grade 12th pass10 grade science
The half life of a radioactive nucleus is 50 days. The time interval (t2−t1)
between the time t2
when 23
of it has decayed and the time t1
when 13
of it had decayed is:
A. 60 days
B. 15 days
C. 30 days
D. 50 days
The half life of a radioactive nucleus is 50 days. The time interval (t2−t1)
between the time t2
when 23
of it has decayed and the time t1
when 13
of it had decayed is:
A. 60 days
B. 15 days
C. 30 days
D. 50 days
