Question
Physics Question on Radioactivity
A radio active material is reduced to 1/8 of its original amount in 3 days.
If 8×10-3 kg of the material is left after 5 days the initial amount of the material is
A
32g
B
40g
C
256g
D
64g
Answer
256g
Explanation
Solution
The correct option is(C): 256g