Across
- 2. move or cause to move continuously and rapidly
- 3. the natural agent that stimulates sight and makes
- 5. of or relating to the interrelation of electric currents
- 9. he quality of a sound governed by the rate of vibrations
- 10. transverse
- 11. talk back
- 12. vibrations that travel through the air or another medium
Down
- 1. the distance between
- 4. the process by which a beam of light or other system
- 5. operating by or producing electricity
- 6. transport
- 7. diminution in the density of something,
- 8. an instrument for converting sound waves into electrical energy