Across
- 3. EM radiation used by mobile phones
- 4. Highest frequency EM radiation
- 8. People use this to tan themselves
- 9. Direction of the wave is perpendicular to the vibration
- 10. Used to detect sources of heat
- 11. How many waves pass a point each second
Down
- 1. Longest wavelength EM radiation
- 2. The process of removing an electron from an atom
- 5. Distance from the normal line to either the peak or the trough
- 6. Distance from a point on the wave to the next same point
- 7. S waves are this type of wave
