![The activity of a radioactive sample decreases to 1//3 of the original activity, A(0) in a period of 9 years. After 9 years more, its activity A(0)//x. Find the value of x. The activity of a radioactive sample decreases to 1//3 of the original activity, A(0) in a period of 9 years. After 9 years more, its activity A(0)//x. Find the value of x.](https://d10lpgp6xz60nq.cloudfront.net/ss/web/425774.jpg)
The activity of a radioactive sample decreases to 1//3 of the original activity, A(0) in a period of 9 years. After 9 years more, its activity A(0)//x. Find the value of x.
![The activity of a radioactive sample falls from 700 s –1 to 500 s –1 in 30 minutes. Its half life is close to: - Study Material Center The activity of a radioactive sample falls from 700 s –1 to 500 s –1 in 30 minutes. Its half life is close to: - Study Material Center](https://studymaterialcenter.in/questions/uploads/2021/12/31/image89271.png)
The activity of a radioactive sample falls from 700 s –1 to 500 s –1 in 30 minutes. Its half life is close to: - Study Material Center
![The activity of a radioactive sample is measured as No counts per minute at t = 0 and No/e counts per minute at t = 5 min. The time (in minute) at The activity of a radioactive sample is measured as No counts per minute at t = 0 and No/e counts per minute at t = 5 min. The time (in minute) at](https://www.zigya.com/application/zrc/images/qvar/PHENNT12129596.png)
The activity of a radioactive sample is measured as No counts per minute at t = 0 and No/e counts per minute at t = 5 min. The time (in minute) at
![The activity of a radioactive sample is measured as 9750 counts per minute at t = 0 and as 975 counts per min at t = 5 minutes, The decay constant is apnoximately The activity of a radioactive sample is measured as 9750 counts per minute at t = 0 and as 975 counts per min at t = 5 minutes, The decay constant is apnoximately](https://dwes9vv9u0550.cloudfront.net/images/3795871/d63f2ecf-5ac2-4bdd-8bea-f3a2a5b96843.jpg)
The activity of a radioactive sample is measured as 9750 counts per minute at t = 0 and as 975 counts per min at t = 5 minutes, The decay constant is apnoximately
The activity of a radioactive sample is measured as No counts per minute at t = 0 and No/e counts per minute at t = 5 minutes. - Sarthaks eConnect | Largest Online Education Community
![SOLVED:The initial activity of a radioactive sample is 120 Bq. If after 24 h the activity is measured to be 15 Bq, find the half-life of the sample. SOLVED:The initial activity of a radioactive sample is 120 Bq. If after 24 h the activity is measured to be 15 Bq, find the half-life of the sample.](https://cdn.numerade.com/previews/3712f707-d1c1-45b6-80b1-6a96959bdc4d.gif)
SOLVED:The initial activity of a radioactive sample is 120 Bq. If after 24 h the activity is measured to be 15 Bq, find the half-life of the sample.
![The activity of a radioactive sample goes down to about 6% in a time of 2 hours. The half life of the sample in minutes is about : The activity of a radioactive sample goes down to about 6% in a time of 2 hours. The half life of the sample in minutes is about :](https://d1hj4to4g9ba46.cloudfront.net/questions/1545671_1704815_ans_8403145d31124e078fac0255e19099be.jpg)
The activity of a radioactive sample goes down to about 6% in a time of 2 hours. The half life of the sample in minutes is about :
the activity of a radioactive sample os measured as No counts per min at t=0 and No/e counts per min at t=5 mins. the time in min at which the activity reduces
Activity of a radioactive sample decreases to (1/3)rd of its original value in 3 days. Then, in 9 days its activity will become:
![The activity of a radioactive sample decreases to one tenth of the original activity `A_(0)` in a - YouTube The activity of a radioactive sample decreases to one tenth of the original activity `A_(0)` in a - YouTube](https://i.ytimg.com/vi/ft9i6Hr5pU0/maxresdefault.jpg)
The activity of a radioactive sample decreases to one tenth of the original activity `A_(0)` in a - YouTube
![A radioactive sample has initial activity of 28 dpm 30 minutes later its activity 14 dpm . - YouTube A radioactive sample has initial activity of 28 dpm 30 minutes later its activity 14 dpm . - YouTube](https://i.ytimg.com/vi/NPXeSdIe2Uo/maxresdefault.jpg)
A radioactive sample has initial activity of 28 dpm 30 minutes later its activity 14 dpm . - YouTube
![For a radioactive sample, at given instant, number of active nuclei is N and its decay constant is lambda then the incorrect relation is - For a radioactive sample, at given instant, number of active nuclei is N and its decay constant is lambda then the incorrect relation is -](https://dwes9vv9u0550.cloudfront.net/images/9157597/cbe42012-7988-44ae-990f-f4986c46ea9c.jpg)
For a radioactive sample, at given instant, number of active nuclei is N and its decay constant is lambda then the incorrect relation is -
![Calculate the mass in gram of a radioactive sample pb 214 having an activity of one microcuri and half - Brainly.in Calculate the mass in gram of a radioactive sample pb 214 having an activity of one microcuri and half - Brainly.in](https://hi-static.z-dn.net/files/d91/aff987261dcd715b2e0bca836b4535e9.jpg)
Calculate the mass in gram of a radioactive sample pb 214 having an activity of one microcuri and half - Brainly.in
![The activity of radioactive sample falls from 600 / s to 500 / s in 40 minutes. Calculate its half life? The activity of radioactive sample falls from 600 / s to 500 / s in 40 minutes. Calculate its half life?](https://haygot.s3.amazonaws.com/questions/2070870_1465059_ans_712a921ef27348f18c74666c1d2910bf.jpg)
The activity of radioactive sample falls from 600 / s to 500 / s in 40 minutes. Calculate its half life?
![At some instant, a radioactive sample S1 having an activity 5mCi has twice the number of nuclei as another sample S2 which has an activity of 10mCi. The half lives of S1 At some instant, a radioactive sample S1 having an activity 5mCi has twice the number of nuclei as another sample S2 which has an activity of 10mCi. The half lives of S1](https://studymaterialcenter.in/questions/uploads/2021/12/31/image70887.png)