Em waves

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Across
  1. 2. reflection
  2. 3. transmission
  3. 5. light
  4. 6. radar
  5. 7. white
  6. 8. maxwell
  7. 10. scattering
  8. 11. absorption
Down
  1. 1. light
  2. 2. heinrich hertz
  3. 4. photons
  4. 5. duality
  5. 6. constant
  6. 7. inverse
  7. 8. hertz
  8. 9. radiation
  9. 12. rays