Veterinary Technician

Category - Imaging

Nonluminous electromagnetic radiations are referred to as ?
  1. Gamma rays
  2. Beta rays
  3. Radio rays
  4. X-rays
Explanation
Answer: D - Nonluminous electromagnetic radiations are referred to as X-rays, which are similar to visible light but have much shorter wavelengths. They cannot be seen and are capable of penetrating opaque and solid substances and tissues, and ionizing gases.
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