Question

Which of the following electromagnetic waves is used in medicine to destroy cancer cells?

• A. $IR$-rays
• B. Visible rays
• C. Gamma rays
• D. Ultraviolet rays

Answer 1

Answer: (C)

Gamma rays

Answer 2

Gamma rays are dominantly used in medicines to destroy the cells that are cancer affected. The gamma rays are chosen such that its energy does not harm the healthy cells. Therefore, the rays used in medicine to destroy cancer cells are Gamma rays.