The radiation produced when fast-moving electrons are decelerated by nuclei is called what?

The radiation produced when fast-moving electrons are decelerated by nuclei is called what?

• A. Bremsstrahlung Radiation
• B. ALARA Concept
• C. Density
• D. Contrast

Answer: (A)

When a fast-moving electron passes near a nucleus, it feels a strong electric field and slows down—this loss of energy is emitted as a photon. That emitted radiation is called bremsstrahlung radiation, from the German for “braking radiation.” It’s the primary type of X-ray production in many tubes because the decelerating electron radiates as it slows in the nucleus’s field, producing a continuous spectrum of X-ray energies. ALARA is a safety principle about keeping exposure as low as reasonably achievable, not a type of radiation. Density and contrast describe image properties, not the radiation process itself. So the radiation produced by decelerating electrons is bremsstrahlung radiation.

When a fast-moving electron passes near a nucleus, it feels a strong electric field and slows down—this loss of energy is emitted as a photon. That emitted radiation is called bremsstrahlung radiation, from the German for “braking radiation.” It’s the primary type of X-ray production in many tubes because the decelerating electron radiates as it slows in the nucleus’s field, producing a continuous spectrum of X-ray energies.

ALARA is a safety principle about keeping exposure as low as reasonably achievable, not a type of radiation. Density and contrast describe image properties, not the radiation process itself. So the radiation produced by decelerating electrons is bremsstrahlung radiation.