Across
- 2. A heat transfer that requires no medium.
- 4. He proposed the quantum theory.
- 6. These are the man-made sources of light.
- 10. A theory which states that light is consists of tiny particles called corpuscles.
- 11. The color with the greatest frequency.
- 13. The color with the least frequency.
- 14. This color is in between blue and yellow in the light spectrum.
- 15. The most important natural source of light.
- 16. Examples of this source of light are the incandescent lamp,burning candles, and heated metals.
- 17. This color is in between orange and green in the light spectrum.
- 18. The familiar example of this light source is the fluorescent tube.
- 20. Heat transfer through the vibrations of molecules in matter.
- 21. The unit for luminous intensity.
- 22. A special kind of refraction that provided us color lights.
Down
- 1. Examples of gas ___?____ source are neon lamp and sodium lamps.
- 3. A quantity tahtcan be measured with a thermometer or calorimeter.
- 5. A theory of light proposed by James Maxwell .
- 7. He proposed the wave theory of light.
- 8. A color which has a longer wavelength than violet but shorter than green.
- 9. This color has a greater frequency than red but lesser than yellow.
- 12. Energy transferred due to temperature difference.
- 19. Heat transfer through the actual motion of matter with greater energy.