physics - electromagnetic waves
Across
- 5. all waves on the spectrum
- 6. waves used to make security marker ink glow so we can see it
- 8. waves used to make images of bones in hospitals
- 10. used to make photographs images in cameras
- 11. _______ = frequency x wavelength
- 14. _______ = change in temperature รท change in time
- 15. waves with the lowest energy have the ________ frequency
Down
- 1. waves used for carrying signals from remote control handsets
- 2. waves used for tv broadcasting
- 3. waves with the lowest energy have the ________ wavelength
- 4. waves used for carrying mobile phone calls
- 7. waves with the highest energy have the __________ wavelength
- 9. waves with the highest energy have the ________ frequency
- 12. very thin transport fibres / used to transmit communication signals by light and infrared
- 13. rays used to kill harmful bacteria in food