Question

Radioactivity is a property of
1. Atomic nuclei
2. Excited electron
3. Gamma rays
4. Ultraviolet light

Answer 1

Correct Answer - Option 1 : Atomic nuclei

Radioactivity:

• The phenomenon of spontaneous emission of radiations by heavy elements is called radioactivity.
• In radioactive processes, particles or electromagnetic radiation are emitted from the nucleus.
• The most common forms of radiation emitted have been traditionally classified as alpha (α), beta (β) and gamma (γ) radiation.
• Nuclear radiation occurs in other forms, including the emission of protons or neutrons or spontaneous fission of a massive nucleus.