Activity of a radioactive sample decreases to (1/3)rd of its original value

Activity of a radioactive sample decreases to (1/3)rd of its original value in 3 days. Then, in 9 days its activity will become

Options

(a) (1/27) of the original value
(b) (1/9) of the original value
(c) (1/18) of the original value
(d) (1/3) of the original value

Correct Answer:

(1/9) of the original value

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. If M (A; Z), Mₚ and Mₙ denote the masses of the nucleus AZ X, proton
  2. Which of the following statements is correct?
  3. Two springs with spring constants K₁=1500 N/m and K₂=3000 N/m
  4. A person has a minimum distance of distinct vision as 50 cm. The power of lenses
  5. The maximum and minimum magnitudes of the resultant of two vectors