Advertisements
Advertisements
Question
What is meant by Radioactivity?
Advertisements
Solution
Process of spontaneous emission of α or β and γ radiations from the nuclei of atoms during their decay.
RELATED QUESTIONS
When does the nucleus of an atom tend to become radioactive?
Name the radiations which are absorbed by greenhouse gases in the earth’s atmosphere.
Answer the following questions based on a hot cathode ray tube
Name the charged particles
Why do Free electrons not leave the metal surface on their own
Give one example of isobars.
State two similarities and two dissimilarities between the γ-rays and X-rays.
88Ra226 experiences three α - decay. Find the number of neutrons in the daughter element.
The half-life of a radioactive nuclide is 100 hours. The fraction of original activity that will remain after 150 hours would be ______.
Calculate the time interval between 33% decay and 67% decay if half-life of a substance is 20 minutes.
