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. A parallel plate air capacitor of capacitance C is connected to a cell of emf
  2. A magnetic needle suspended parallel to a magnetic field requires √3J of work
  3. 40 g of Argon is heated from 40⁰C to 100⁰C (R=2 cal/mole). Heat absorbed at constant
  4. The acceleration due to gravity becomes (g/2) where g=acceleration due to gravity
  5. A particle moves in xy plane according to the equation x = 4t² + 5t + 16 and y = 5t