Ninety precent of a radoactive sample is left over after a time interval t. The percentage of initial sample that will disntegrate in an interval 2t is-

90% of a radioactive sample is left undecayed after time t has elapesed. What percentage of the initial sample will decay in a total time 2 t ?

90% of a radioactive sample is left undecayed after time t has elapesed. What percentage of the initial sample will decay in a total time 2 t ?

True or False Statements : 90% of a radioactive sample is left undecayed after time t has elapsed, percentage of the initial sample which will decay in a total time 2t is 19%.

Let T be the mean life of a radioactive sample. 75% of the active nuclei present in th sample initially will deacy in time

36% amount of a radioactive sample distegrates in t time. Calculate how much percentage fraction will decay in t//2 time.

36% amount of a radioactive sample distegrates in t time. Calculate how much percentage fraction will decay in t//2 time.

36% amount of a radioactive sample disintegrates in t time. Calculate how much percentage fraction will decay in t//2 time.

Find average speed in time interval t= 2 to t=10s

Mean life of a radioactive sample is t_0 . What fraction of sample remains left after time t_0ln_2 ?