The half-life of a radioactive substance is 2 years. The probability that a nucleus will decay in three 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

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

The half-life of a radioactive substance is 10 days. This means that

The half - life of a radioactive substance is 50 days. The substance will disintegrate completely in

The half - life of a radioactive substance is 60 years. Calculate its decay constant given log e 2=6930

The half-life periof of a radioactive substance is x years. The fraction remaining after 2x years is………….. .

The half life of radioactive substance is T. Then the fraction of the substance that has decayed in time t is-

The half life period of a radioactive substance is 10 year. The amount of the substance decayed after 40 years would be

The half-life period of a radioactive substance is 5 min . The amount of substance decayed in 20 min will be