Across
- 2. a sound heard again near its source after being reflected
- 3. the state or quality
- 4. the general method of locating objects by determining the time
- 7. the state of being
- 10. Energy the energy of a body or a system with respect
- 11. top of a wave
Down
- 1. the number of periods or regularly occuring
- 2. the capacity to do work; the property of a system that diminishes the system
- 5. the effect, result, or consequence
- 6. the distance, measured in the direction of propagation of a wave
- 8. any long depression or hollow
- 9. Energy the energy of a body or a system with respect to the motion