A radioactive substance has `10^8` nuclei. Its half life is 30 s . The number of nuclei left after 15 s is nearly

A radioactive substance contains 10,000 nuclei and its half life period is 20 days. The number of nuclei present at the end of 10 days is

A radioactive substance contains 10, 000 nuclei and its half - life period is 20 days.The number of nuclei present at the end of 10 days is

A sample of a radioactive substance has 10^(6) radioactive nuclei. Its half life time is 20 s How many nuclei will remain after 10 s ?

A sample of a radioactive substance has 10^(6) radioactive nuclei. Its half life time is 20 s How many nuclei will remain after 10 s ?

Number of nuclei of a radioactive substance at time t=0 are 2000 and 1800 at time t=2 s. number of nuclei left after t=6s is

Number of nuclei of a radioactive substance are 1000 and 900 at times t=0 and time t=2 s . Then, number of nuclei at time t=4s will be

Number of nuclei of a radioactive substance are 1000 and 900 at times t=0 and time t=2 s . Then, number of nuclei at time t=4s will be