Radiologists work with high-energy radiation and must wear heavy lead aprons for protection. Which type of waves are radiologist likely exposed to, and why is a lead apron needed?

Mechanical waves, because they can cause physical vibrations that are harmful.
Électromagnetic waves, because they can penetrate the body and lead blocks them.
Mechanical waves, because they can penetrate the body and lead blocks them.
Electromagnetic waves, because they can cause physical vibrations that are harmful.

1 answer

The correct answer is: Electromagnetic waves, because they can penetrate the body and lead blocks them.

Radiologists are likely exposed to electromagnetic waves, such as X-rays or gamma rays, in their work. These waves have high energy and can penetrate the human body, which makes them effective tools for medical imaging. However, prolonged exposure to these waves can be harmful to health.

Lead is used as a shielding material in the form of an apron because it effectively blocks or attenuates the electromagnetic waves. The dense atomic structure of lead absorbs and scatters the radiation, preventing it from passing through and reaching the radiologist's body. Thus, the lead apron provides a protective barrier, reducing the amount of radiation that can reach the radiologist and minimizing potential harmful effects.