A radioactive substance contains 10000 nuclei and its halflife period is 20 days

A radioactive substance contains 10000 nuclei and its halflife period is 20 days. The number of nuclei present at the end of 10 days is

Options

(a) 7070
(b) 9000
(c) 8000
(d) 7500

Correct Answer:

7070

Explanation:

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

admin:

Related Questions

  1. When photons of energy hν are incident on the surface of photosensitive
  2. Assertion(A) :The change in kinetic energy of a particle is equal to the work done
  3. The velocity of sound is V, in air. If the density of air is increased to four times
  4. An electric motor runs on DC source of emf 200 V and draws a current of 10 A.
  5. During an adiabatic process, the pressure of a gas is found to be proportional