x-rays infrared waves microwaves ultraviolet rays
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Visible light passes through glass. Other types of electromagnetic radiation are able to pass through other materials in a similar way. Which of the following are used in medical technology because they can pass through some parts of the human body?
Possibilities:
- x-rays
- infrared waves
- microwaves
- ultraviolet rays

x-rays