Across
- 6. - images in a mirror are laterally __________
- 7. - best subject in the world
- 8. - Time taken for one full cycle of a wave
- 11. - The maximum displacement of a point on a wave from its undisturbed position
- 14. - for diffraction to happen, the wavelength needs to be ________ to the opening
- 15. - An example of a transverse wave
- 17. - When waves travel through a medium, the ___________ oscillate
- 20. - X-rays and Gamma rays are both used to treat cancer because they are _________
- 22. - fancy name for "per second"
- 23. - Number of waves per second
- 24. - Surname of breathtaking and magnificent human being
- 25. - The section of the electromagnetic spectrum with the longest wavelength
- 26. - Light is refracted when it travels into a more dense medium because the light changes _______
- 27. - transferred by waves
- 29. - The name for the line draw at 90 degrees (perpendicular) from a surface
- 31. - this radiation is absorbed by water molecules
- 32. - The units for wavelength
Down
- 1. - Frequency x wavelength =
- 2. - Type of wave where the particle movement is parallel to the direction of the energy transfer of the wave
- 3. - The section of the electromagnetic spectrum where exposure to too much can increase risk of skin cancer
- 4. - All electromagnetic waves travel at the same speed through a _______
- 5. - The angle of _______ is always equal to the angle or reflection
- 9. - _______ are removed from atoms by ionising radiation
- 10. - spreading of waves when they pass through an opening
- 12. - Type of wave where the particle movement is perpendicular to the direction of the energy transfer of the wave
- 13. -Distance between two identical points on a wave
- 16. - The section of the electromagnetic spectrum used in fibre optics
- 18. - The section of the electromagnetic spectrum emitted by all hot objects
- 19. - An example of a longitudinal wave
- 21. - A use of visible light
- 28. - When light travels into a more dense medium it bends ________ the normal
- 30. - not transferred by waves