Electromagnetic Radiation
Across
- 1. 1 cycle / second
- 3. Voltage is analogous to ____
- 5. The shortest wavelengths we know about are the size of the nucleus of an __
- 7. What kind of field tells us which way charges get pushed
- 10. All electromagnetic energy is created by
- 13. What are the shortest radio waves?
- 14. What kind of ray is the most energetic form of E-M energy?
- 16. My teacher calls himself
- 17. Visible light photons have about how many electron volts?
- 18. What field is the result of a change in an electric field
- 19. Cosmic rays are ___
Down
- 2. The longest wavelengths we know about are somewhat larger than the ___
- 4. What starts at the end of the visible spectrum?
- 6. velocity of light / wavelength
- 8. What kind of waves are good for identifying atoms with a spectograph?
- 9. In a vacuum, all electromagnetic waves travel at the same ____
- 11. If we want to look at molecules, we use ___
- 12. The first person to investigate the question the velocity of light
- 15. 1 million cycles / second