physicsNo Comments

default thumbnail


Radioactivity is the spontaneous and random emission of radioactive rays from unstable radioactive materials after which they become more stable. There are three different types of radioactive emissions, Alpha particle- a, Beta particle- B, Gamma ray-r.

The process is said to be spontaneous because it is not influenced by any physical factors such as temperature, pressure, time, etc. A nucleus is unstable if it is too big. All nuclei with z > 83 or A> 209 are unstable.

Be the first to post a comment.

Add a comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.

error: Content is protected !!