[20%" radioactive sample decay in time t.How "],[" much sample decay in time "2t?]

A radioactive sample remains undecayed 9/16 after time t.How much sample remains undecayed after time t/2

A radioactive sample remains undecayed 9/16 after time t.How much sample remains undecayed after time t/2

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.

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

If 20% of a radioactive sample decays in 10 days, then the amount of substance left after 20 days will be approximately

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%.

A radioactive sample is decayed 20% in one day. After next two days, the undecayed percentage of nuclei will be