Home
Class 12
CHEMISTRY
At a given instant there are 25% undeca...

At a given instant there are 25% undecayed radioactive nuclei in a sample . After 10 sec the number of undecayed nuclei remains `12.5%` Calculate :
(i) mean - life of the nuclei and
(ii) The time in which the number of undecayed nuclears will further reduce to `6.25 %` of the reduced number.

Promotional Banner

Similar Questions

Explore conceptually related problems

As a given instant there are 25% undercayed radio - active nucles in az sample . After 10 second the number of undecayed nucles reduces to 12.5% Calculate (i() mean - like of the nucleus, and (ii) the time in which the number of undecayed nuclei will further to 6.25 % of the reducted number .

At a given instant there are 25% undecayed radioactive nuclei in a sample. After 10 s the number of undecayed nuclei reduces to 12.5%. Calculate (a) mean life of the nuclei, (b) the time in which the number of undecayed nuclei will further reduce to 6.25% of the reduced number.

At a given instant there are 25% undecayed radioactive nuclei in a sample. After 10 s the number of undecayed nuclei reduces to 12.5%. Calculate (a) mean life of the nuclei, (b) the time in which the number of undecayed nuclei will further reduce to 6.25% of the reduced number.

At a given instant there are 25% undecayed ratio-activity nuclei in sample. After 10 second, the number of undecyed nuclei reduces to 12.5% . Calculate (a) mean-life of the nuclei and (a) the time in which the number undecayed nuclei will further reduce to 6.25% of the reduced number.

At a given instant, there are 25% undecayed radioactive nuclei in a sample. After 10 seconds the number of undecayed nuclei reduces to 12.5%, the mean life of the nuclei is

At a given instant, there are 25% undecayed radioactive nuclei in a sample. After 10 seconds the number of undecayed nuclei reduces to 12.5%, the mean life of the nuclei is

At a given instant there are 25% undecayed rodioctive nuclei in sample After 10 s the number of undecyed nuclei reduces to 12.5 % calculate the mean life of the nuclei .

At a given instant there are 25% undecayed rodioctive nuclei in sample After 10 s the number of undecyed nuclei reduces to 12.5 % calculate the mean life of the nuclei .

At a given instant there are 25 % undecayed radioactive nuclei in a same. After 10 sec the number of undecayed nuclei reduces to 6.25 % , the mean life of the nuclei is.