Sometimes, the Microsoft Outlook integration is successful but you might not see the users' presence status/presence bubble in Microsoft Outlook. In order to troubleshoot this problem, verify these points:
2. Half-life is the time taken for the count rate to fall to half of its original reading. There are a number of ways to define half-life. Remember one of the above definitions, it may be useful in the exams. An Explanation of Half-life. A radioactive material will have some nuclei that are stable and some that are unstable.
Best Answer: The definition of half life is the amount of time it takes for half the material to decay. It doesn't matter how much material you start with or the mode by which it decays. In 12 years, half of the hydrogen-3 atoms will become helium-3.