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