The half -life period of `._(84)Po^(210)` is 140 days.
In how many days `1 g` of this isotope is reduced to `0.25 g`?

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 day. 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 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

The half-life period of a radioactive element is 140 days. After 560 days, 1g of the element will reduce to a. 0.5 g b. 0.25 g c. 1//8 g d. 1//16 g

The half-life period of a radioactive element is 140 days. After 560 days, 1g of the element will reduce to a. 0.5 g b. 0.25 g c. 1//8 g d. 1//16 g

The half life period of radium is 1600 years . In how many years 1 g radium will be reduced to 0.125 g ?

The half life period of a radioctive element is 140 days. Afte 560 days, one gram of the element will reduced to :