" active sample disintegrates by "10%" during one month.How much fraction will disintegrate in four months."

(3)/(4) part of a radioactive sample disintegrates in first 10 yrs. How much fraction will disintegrate in first 20 Yrs ?

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

7//8 fraction of a sample disintegrate in t time How much time it will take to disintegrate 15 //16 fraction :

During mean life of a radioactive element, the fraction that disintegrates is

During mean life of a radioactive element, the fraction that disintegrates is

During mean life of a radioactive element, the fraction that disintegrates is

During mean life of a radioactive element, the fraction that disintegrates is

Half life of a certain radioactive material is 8 hours. If one starts with 600 g of this substance, how much of it will disintegrate in one day?

A radioactive sample has a disintegration rate of 36 xx 10^(50) disintegration per minute. The sample itself consisting of 10^(-5) mu mole of the active nuclei. The disintegration constant, lambda is given by

How much rice a month is used by your family?