The ratio activity of an element becomes `1//64 th` of its original value in `60 sec`. Then the half-life period is

The activity of a radioactive element reduces to (1//16)th of its original value in 30 years. Find its half life?

The activity of a radioactive element reduces to (1//16)th of its original value in 30 years. Find its half life?

The nuclear activity of a radioactive element becomes (1/8)^(th) of its initial value in 30 years. The half-life of radioactive element is ________ years.

The radioactivity of a certain radioactive element drops to 1//64 of its initial value in 30 seconds. Its half-life is.

The radioactivity of a certain radioactive element drops to 1//64 of its initial value in 30 seconds. Its half-life is.

If the activity of a radiacctive element drops to frac(1)(16)th of its inital value in 40 years. Find its half-life period.

Radioactivity of a radioactive element remains 1//10 of the original radioactivity after 2.303 seconds. The half life period is

Radioactivity of a radioactive element remains 1//10 of the original radioactivity after 2.303 seconds. The half life period is