The half life of a radioactive isotope 25 days . After what time it will disintegrate 75%

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

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

The half life of a radioactive substance is 30 days. What is the time taken to disintegrate to 3//4^(th) of its original mass ?

The half life of a radioactive substance is 30 days. What is the time taken to disintegrate to 3//4^(th) of its original mass ?

The half - life of a radioactive isotope is always. ………………………… .

The half - life of a radioactive isotope is always. ………………………… .

The half-life of a radioactive isotope is 3 hours. The value of its disintegration constant is

The half life of a radioactive isotope is 3 days. When it was weighted after 12 days its weight was found to be 3 g. The original weight of the substance is

The half-life of a radioactive element is 1600 y. After what time 10% of that element present in any radioactive sample will disintegrate?