Discovery of X-rays

These flashcards cover key concepts regarding the discovery of X-rays, their characteristics, and related terminology essential for understanding radiology.

X-rays

A form of electromagnetic energy used in medical imaging, discovered by Wilhelm Conrad Roentgen.

Wilhelm Conrad Roentgen

The physicist who discovered X-rays in 1895 and was awarded the first Nobel Prize in Physics in 1901.

Crooke's Tube

An evacuated glass tube used in early experiments that demonstrated the properties of cathode rays.

Radiology

The medical specialty involving the application of X-rays and radioactive substances for diagnosis and treatment.

Radiograph

A photographic record produced by X-rays passing through an object.

Photon

A discrete bundle of electromagnetic energy, which is a particle of light.

Fluorescence

The phenomenon where certain materials emit light when exposed to X-rays or other radiation.

Electromagnetic Spectrum

The range of all electromagnetic radiation frequencies, including X-rays, visible light, and radio waves.

Wavelength

The distance between successive crests of a wave, important in determining energy levels in electromagnetic radiation.

Frequency

The number of cycles of a wave that occur in one second, inversely related to wavelength.