The half-life period of radon is 3.8 days. After how many will only one-twentieth of radon sample be left over?

The half life of radon is 3.8 days. After how many days will only one twentieth of radon sample be left over?

The half life of radon is 3.8 days . After how many days will only one twentieth of radon sample be left over ?

(a) The half life period of radium is 1590 yrs. After how many years will one gram of the pure element, (i)be reduced to one centigram, (ii) lose one centigram. (b) The half life of radon is 3.8 days. After how many days will only one twentieth of radon sample be left over? (c) 1 gm of radioactive substance takes 50 sec. to lose 1 centigram. Find its half life period?

The half life of radon is 3.8 days. After how long there will be only one twentieth of radon sample left over?

The half-life of Radon is 3.8 days. Define half-life.

The half-life of a radioactive sample is 6.93 days. After how many days will only 1/20 of the sample be left over? [Take log_(e)(20) = 3.0 ]

The half-life of radon is 3.8 days. After how many days 19/20 of the sample will decay ?