The half life period of a radioactive element is 100 days. After 400 days, one gm of the element will be reduced to ______________ gm?
A. 1/4
B. 1/8
C. 1/2
D. 1/16
The half life period of a radioactive element is 100 days. After 400 days, one gm of the element will be reduced to ______________ gm?