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. The dimensional formula of Plancks’s constant and angular momentum are
  2. Dimensions of resistance in an electrical circuit, in terms of dimension of mass M,
  3. In Young’s double slit experiment, the intensity of light coming from the first slit
  4. To get three images of single object, one should have two plane mirrors at an angle of
  5. If a nucleus ᴢXᴬ emits 9α and 5β-particles, then the ratio of total protons and neutrons