Question 50
Radioactivity and Nuclear PhysicsNatural radioactivity consists of the emission of
- A.α-particles and β-rays
- B.α-particles and X-rays
- C.γ-rays and X-rays
- D.α-particles, β-rays and γ-rays
- E.α-particles, β-rays, γ-rays and X-rays.
Show the answer and explanation
Answer: D (α-particles, β-rays and γ-rays)
Explanation
Naturally radioactive nuclei emit alpha particles, beta particles and gamma rays. X-rays come from electron transitions or X-ray tubes, not from the nucleus.