Across
- 2. number of wavelengths
- 4. bending of waves around an object
- 5. mechanical wave
- 7. the incoming wave
- 9. that moves
- 10. equation
- 12. speed
Down
- 1. waves
- 3. SI unit
- 4. for a transverse wave
- 6. between one point
- 8. change in direction
- 11. of reflection