What is the definition of half life

Explanation:

Half life is related to the radioactivity. It is used in nuclear physics.

It is the time in which a radioactive substance becomes half of its initial amount.

For example, if the half life of a radioactive substance is 5000 years, it means after 5000 years it becomes half of its initial value or the activity of that substance becomes half after 5000 years.

It is denoted by

u can delete ur account.

1. go on google and write

2 open this and click on your profile pic and if your profile is not appearing, then u have to log in.

3. when u click on your profile pic, there appears four options on the top.

4. click on the 1st option and scroll down and go at the bottom.

5. click on edit profile.

6. there appears a option 'prefernces' and at that option at the right side , 'edit' is written.

7. click on the edit option.

8. there is a option " i want to delete my account" and click on that.

hope this u

and ur welcm

: )