What technology does an X-ray use to see below the surface of a work of art?

1. laser technology
2. electromagnetic radiation
3. Color spectrums
4. Computer software.

1 answer

An X-ray uses 2. electromagnetic radiation to see below the surface of a work of art. X-rays are a form of high-energy electromagnetic radiation that can penetrate various materials, allowing for the examination of underlying layers and details in artworks.