A sample of eood decayed to 1/16 of its original value. What is the number of `t_(1//2)` ?

The activity of the radioactive sample drops to (1/64)^(th) of its original value in 2 hr find the decay constant (lambda) .

A radioactive substance decay to 1/5 of its original value in 56 days. The decay constant is

An isotope decays to 1//16^(th) of its mass in 1h. What is the half-life period of the isotope?

An isotope decays to 1//16^(th) of its mass in 1h. What is the half-life period of the isotope?

A radioactive substance decays to ( 1/10)^th of its original value in 56 days. Calculate its decay constant.