Semi of a radioactive substance Ayana is the day. Known time In which 757. part of it is decomposed

The half-life of a radioactive substance is 10 days. This means that

The half life of a radioactive substance is 4.2 days. Find the time during which 1/8" of the sample will remain undecayed.

The half-life of a radioactive substance is 10 days. The time taken for the ((7)/(8)) th of the sample of disintegrates is

A sample of radioactive substance loses half of its activity in 4 days. The time in which its activity is reduced to 5% is

A sample of radioactive substance loses half of its activity in 4 days. The time in which its activity is reduced to 5% is

The half life of a radioactive substance is 20 days. If 2/3 part of the substance has decayed in time t_(2) and 1/3 part of it has decayed in time t_(1) then the time interval between t_(2) and t_(1) is (t_(2)-t_(1)) =…………….

The half-life period of a radioactive substance is 30 days. What is the time taken for 3/4 the of its original masss to disintegrate ?

The half life period of a radioactive substance is 140 days. After how much time, 15 g will decay from a 16 g sample of the substance?