Give one use of each of the following
y-ray

Explanation

**Step-by-Step Solution:**

1. **Understanding Gamma Rays:**
- Gamma rays are a form of electromagnetic radiation with very high energy, high frequency, and very short wavelengths. They are produced by radioactive atoms and in nuclear reactions.

2. **Identifying the Use of Gamma Rays:**
- One of the most significant uses of gamma rays is in the field of medicine, particularly in the treatment of cancer.

...