A radioactive substance decays to `(3)/(4)`th of original value in 2h. The half-life of the substance is

A radioactive substance decays to 1/16 th of the initial mass in 40 days. The half life of the substance is….. Day.

A radioactive substance decays to 1/16 th of its initial mass in 40 days. The half life of the substance, in days, is?

A radioactive substance decays to 1//16^(th) of its initial mass in 40 days. The half life of the substance, in days, is :

A radioactive substance reduces to 1/32 of its original value in 300 days. The half life of radioactive substance is

A radioactive substance decays to ((1)/(16))^(th) of its initial activity in 40 days. The half-life of the radioacctive substance expressed in days is

A radioactive substance decays to ((1)/(16))^(th) of its initial activity in 80 days. The half life of the radioactive substance expressed in days is …….

If 8g of a radioactive substance decays into 0.5 g in 1 h, then the half-life of the substance is

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