The half-life period of a redioactive element is 20 days. What will be the remaining mass of 100 g of it after 60 days ?

The half life period of a radioactive element is 120 days. Starting with 1 g, the amount of element decayed in 600 days will be :

The half-life period of a radioactive element is 140 days. After 560 days, what amount of 1 g of the element will be reduced?

The half-life period of a radioactive element is 140 days. After 560 days, 1 g of the element will reduce to

The half life period of a radioactive element is 4 s . What fraction of 100 g sample of this radioactive material will remain after 16 s ?

The half life period of a radioactive element is 10 days. Then how long does it take for 90% of a given mass of this elements to disintegrate -A) 19 days B) 27 days C) 33 days -D) 47 days

The half life period of a radioactive element is 140 days . After 560 days , 1 g of the element will reduce to

The half life period of a radioactive element is 140 days. After 560 days, 1 g of element will be reduced to