Across
- 2. low part of wave
- 4. electromagnetic radiation having a very short wavelength
- 5. arrangement by wavelength of different forms of electromagnetic radiation
- 7. device for amplifying light to produce an intense narrow beam.Light Amplification by a Stimulated Emission of Radiation is what the word stands for
- 8. height of crest or depth of trough,good indicator of the amount of energy transmitted by a wave
- 11. heat radiation,anything warmer than its surroundings emits infrared rays
- 13. distance from crest to crest
Down
- 1. blanket of ozone surrounding earth 2025 km above surface.absorbing much of UV from sun
- 3. wavelengths of 200nm beyond violet light in electromagnetic spectrum
- 6. any electromagnetic wave that is useful for carrying sounds or pictures through transmitter to a receiver
- 9. radio waves having short wavelength and high frequency
- 10. high part of wave
- 12. number of entire cycles completed by a vibrating object in a unit of time;usually given in cycles per second.measured in hertz or Hz