`_(87)^(223) `Ra is a radioactive substance having half life of `4` days Find the problability that a nucleas undergoes after two half lives

_(87)^(221) Ra is a radioactive substance having half life of 4 days .Find the probability that a nucleus undergoes decay after two half lives

Given a sample of radius -226 having half-life of 4 days. Find, the probability, a nucleus disintegrates after 2 half lifes.

Given a sample of radius -226 having half-life of 4 days. Find, the probability, a nucleus disintegrates after 2 half lifes.

Half-life of a radioactive substance A is 4 days. Find the probability that a nucleus will decay in two half- life

Half-life of a radioactive substance A is 4 days . The probability that a nuclear will decay in two half-lives is

Half-life of a radioactive substance A is 4 days. The probability that a nuclear will decay in two half-lives is