The half-life of an element is 5 d. How much time is required for the decay of 7/8th of the sample?
A. 5 d
B. 10 d
C. 15 d
D. 35/8 d
Answer:C
The half-life of an element is 5 d. How much time is required for the decay of 7/8th of the sample?
A. 5 d B. 10 d C. 15 d D. 35/8 d