Across
- 3. bouncing back of a wave
- 4. the bending of waves around an object
- 7. disturbance in particles
- 8. galaxy Spiral arms
- 11. detected radiation
- 12. transfer of energy from a wave to matter
- 13. waves in time
- 14. parallel
- 16. distance between crest or peak
Down
- 1. repeating phenomenon
- 2. disturbance in electric feilds
- 5. perpendicular
- 6. the bending of a wave
- 9. a device that amplifies light
- 10. the attribute of a waves direction
- 15. Energy-carrying disturbance