Navigate

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.

KL2014
admin:

Related Questions

  1. Two concentric coils each of radius equal to 2π cm are placed at right angles
  2. The ratio of specific heats Cp/Cv=γ in terms of degrees of freedom (n) is given by
  3. The S.I. unit of radioactivity is
  4. An electron in potentiometer experiences a force 2.4×10⁻¹⁹N. The length of potentiometer
  5. Two spherical bodies of mass M and 5 M and radii R and 2 R released in free space