Physics
What is meant by radioactivity? Name two radioactive substances.
Radioactivity
75 Likes
Answer
Radioactivity is a nuclear phenomenon. It is the process of spontaneous emission of α or β and γ radiations from the nucleus of atoms during their decay.
Uranium and Polonium are radioactive substances.
Answered By
53 Likes
Related Questions
Explain why α and β particles are deflected in an electric or a magnetic field, but γ rays are not deflected in such a field.
What are isobars? Give one example.
Name the atoms of a substance having same atomic number, but different mass numbers. Give one example of such a substance. How do the structures of such atoms differ?
A radioactive substance is oxidized. What changes would you expect to take place in the nature of radioactivity? Explain your answer.