Lights and Lazers

3. A device that emits light
5. The throwing back by a surface of light, heat, or sound without absorbing it.
6. The process of magnifying something
8. Two exterior angles on opposite sides of a transversal which lie on different parallel lines
9. A type of light that is invisible to us
10. The rate at which something occurs over a period of time
13. lens A lens that has an inward curve in the middle
14. angles The angles that occupy the same position at each intersection where a straight line crosses two others
15. The distance between successive crests of a wave

1. The range wavelengths or frequencies over which electromagnetic radiation Extends
2. A form of radiation which is not visible to us
4. A particle representing a quantum of light or other electromagnetic radiation.
7. The fact of light being deflected in passing through a surface
11. Intersecting a system of lines
12. lens A clear optical device used to converge or diverge transmitted light and form images