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 transformer of 100% efficiency has 200 turns in the primary coil and 40000 turns
  2. When a charged oil drop moves upwards in an electric field,
  3. A capacitor of 2.5 μF is charged through a resistor of 4 MΩ. In how much time
  4. A bullet comes out of the barrel of gun of length 2m with a speed of 800 m/s
  5. Out of the following which pair of quantities does not have same dimensions?