πŸ“Š Non Destructive Testing and Evaluation
Q. As radiation (X ray or gamma ray) energy is lowered:
  • (A) Radiation of longer wavelength and better penetration is produced
  • (B) Radiation of shorter wavelength and better penetration is produced
  • (C) Radiation of shorter wavelength and less penetration is produced
  • (D) Radiation longer wavelength and less penetration is produced
πŸ’¬ Discuss
βœ… Correct Answer: (D) Radiation longer wavelength and less penetration is produced

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