Crossword puzzle

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Across
  1. 2. thomson scattering is also called ...scattering
  2. 3. radiation energy hardness .....beam of radiation
  3. 5. X- ray with higher energy.....effect
  4. 7. by changing a proton into a neutron
  5. 10. wavelength is longer than infrared ligth
  6. 12. penetrameter consist of a ....having three hole
  7. 13. examination of weld and casting
  8. 15. black body radiation is also called ..... radiation
Down
  1. 1. X-ray travel in .... line.
  2. 4. atom looses or gain an electron
  3. 6. unit of equivalent dose
  4. 8. unit of absorbed dose
  5. 9. neutrons are classified according to their
  6. 11. wavelength between 0.7-300 micrometers
  7. 14. radiography density measure .....of darkness