Across
- 1. secondary and scatter radiation
- 4. fluorescence in certain crystals
- 6. in straight lines
- 7. be focused by lens
- 10. or heterogenous energies
- 11. at speed of light
Down
- 1. chemical and biological changes in matter through ionization and excitation
- 2. neutral
- 3. photographic film
- 5. ionize matter
- 8. heat when passing through matter
- 9. and invisible form of EM radiation