passwella.
Menu

JAMB Physics 2009 Question 45

Question 45

Electromagnetic Spectrum

Cancerous cells can be destroyed by

  1. A.ultraviolet rays.
  2. B.alpha particles.
  3. C.x-rays.
  4. D.infrared rays.
Show the answer and explanation

Answer: C (x-rays.)

Explanation

High-energy X-rays (and gamma rays) penetrate the body and kill cancer cells in radiotherapy.