Question 47
Radioactivity and Nuclear PhysicsNatural radioactivity is the random spontaneous disintegration of the nuclei of heavy isotopes of certain elements with the emission of
- A.α, β and X-rays
- B.α, β and γ-rays
- C.X, α and γ-rays
- D.β, γ and X-rays.
Show the answer and explanation
Answer: B (α, β and γ-rays)
Explanation
Radioactive nuclei give out alpha particles, beta particles and gamma rays. X-rays come from electrons, not nuclei.