Multiple choice

Directions: Select the correct alternative from the given choices.

Cobalt- 60 is commonly used in radiation therapy because it emits

  1. Alpha rays

  2. Beta rays

  3. X - rays

  4. Gamma rays

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Cobalt-60 is a radioactive isotope that emits high-energy gamma rays, which are effective in destroying cancerous cells during radiation therapy.