After 300 days, the activity of a radioactive sample is 5000 dps

After 300 days, the activity of a radioactive sample is 5000 dps (disintegration per second). The activity becomes 2500 dps after another 150 days. The initial activity of the sample (in dps) is

Options

(a) 20000
(b) 10000
(c) 7000
(d) 25000

Correct Answer:

20000

Explanation:

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

admin:

Related Questions

  1. Two particles of masses m₁ m₂ move with initial velocities u₁ and u₂
  2. Calculate the charge on equivalent capacitance of the conbination shown in figure
  3. The electric vector vibration of an electromagnetic wave is given by
  4. A carnot’s engine operates with source at 127° C and sink at 27°C
  5. By the succesive disintegration of ₉₂U²³⁸, the final product obtained is ₈₂Pb²⁰⁶, then