Across
- 3. A wave with displacement of particles perpendicular to the direction of motion
- 4. A region of constructive interference on a standing wave
- 6. The vector sum of the amplitude of two waves
- 11. The spreading of a wave when it passes through a gap or around a corner
- 12. The prefix x 10^6
- 15. The phenomena observed when two waves which are in phase meet
- 18. The bending of a wave when it travels between two different mediums
- 20. The difference in distance travelled by two waves to reach the same point
- 22. When a photon of UV light is incident on a metal an electron is released
- 24. The distance from the midpoint of a wave to the trough
- 25. This is the minimum energy required to liberate an electron from a metal
- 26. The sum of two or more vectors
Down
- 1. This constant is the gradient of an energy frequency graph for an EM wave
- 2. The number of waves per second
- 3. This is the minimum frequency required to liberate an electron from a metal
- 5. For example 5m North
- 7. This pattern is produced due to electrons moving between energy levels in atoms
- 8. A force which opposes motion
- 9. The time for one complete wave
- 10. This type of wave is transverse and travels at the speed of light
- 12. Light of a single wavelength or colour
- 13. The phenomena observed when two waves which are out of phase meet
- 14. A quantity with both magnitude and direction
- 16. This type of wave is formed when a wave reflects off of a surface and interferes with itself
- 17. The force required to accelerate 1kg by 1m/s2
- 19. A wave with displacement of particles parallel to the direction of motion
- 20. A quantum of light energy
- 21. A transverse wave with vibrations in only one plane
- 23. Force x perpendicular distance to the pivot
- 27. A region of destructive interference on a standing wave