Asked in UHS MDCAT 2016 2016Moderate

The continuous spectrum of X-rays is formed due to:

Correct answer: B. Bremsstrahlung X-ray

  • A. Characteristics of X-rays
  • B. Bremsstrahlung X-ray
  • C. Soft X-ray
  • D. Hard X-ray

Explanation

Continuous X-rays are created when free-moving electrons electromagnetically interact with nuclei. These are also called Bremsstrahlung X-rays. Bremsstrahlung, from bremsen "to brake" and Strahlung "radiation" i.e., "braking radiation" or "deceleration radiation", is electromagnetic radiation produced by the deceleration of a charged particle when deflected by another charged particle, typically an electron by an atomic nucleus.

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About Atomic Spectra

Atoms emit or absorb light at specific wavelengths because electrons occupy quantized energy levels and change levels by absorbing or releasing photons. The topic covers emission and absorption spectra, spectral series, hydrogen’s line spectrum, energy-level transitions, and the relation between wavelength, frequency and photon energy.

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